Trade Dress and Product Design Toolkit: Look, Feel, and the Functionality Wall

By Casey Scott McKay · 2024-11-11

This toolkit is a curated research guide to trade dress and product design protection, assembling the Marksy corpus on look and feel into one ordered shelf. It opens with the two gates that decide almost every trade dress matter — the packaging versus configuration divide drawn by Two Pesos and Wal-Mart v. Samara Bros., and the absolute functionality bar running from Inwood footnote 10 through TrafFix Devices — then routes the reader to the articles, guides, and checklists that work each stage. Thematic sections cover articulating a claimed dress as a closed element list, running the Morton-Norwich functionality audit before an examining attorney does, building the acquired distinctiveness record every configuration claim needs, and registering color, sound, scent, and motion marks under the same doctrine. A dedicated section compares the overlapping shields — the design patent under 35 U.S.C. 171, copyright in separable features after Star Athletica, trade dress registration, and trade secret — and gives the sequencing rule that keeps the one-year design patent bar from closing while the trademark record is still maturing. It closes with a branching reading path, a table of controlling authorities with one-line holdings, the Marksy templates that apply, and annotated pointers to the neighbouring toolkits and checklists.

IP and Technology > Trademarks | Toolkit | Published 11 November 2024 - Updated 18 March 2025 | Casey Scott McKay - marksy.us

Summary. A curated tour of everything in the Marksy corpus about owning the way a thing looks. It opens with the two gates that decide almost every trade dress matter — the packaging-versus-configuration divide drawn by Two Pesos and Wal-Mart v. Samara Bros., and the absolute functionality bar running from footnote 10 of Inwood through TrafFix Devices — then routes you to the documents that work each stage: articulating a dress as a closed element list, running the Morton-Norwich audit before the examining attorney does, building the acquired distinctiveness record a configuration claim always needs, and registering color, sound, scent, and motion under the same doctrine. A dedicated section compares the overlapping shields — design patent, copyright after Star Athletica, trade dress, and trade secret — with the sequencing rule that keeps the one-year design patent bar from closing while the trademark record matures. It ends with a branching reading path, a table of controlling authorities, the templates that apply, and pointers to neighbouring toolkits.

Keywords: trade dress toolkit · product design · product packaging · functionality doctrine · morton-norwich factors · section 2(e)(5) refusal · secondary meaning · acquired distinctiveness · non-traditional trademarks · color marks · design patent · star athletica · traffix devices · wal-mart v samara · two pesos · broken line drawing · mark description · trade dress enforcement · overlapping ip regimes · look and feel

Start Here

Trade dress is the area of trademark practice where clients are most confident and most often wrong. A founder who has spent four years and $2 million perfecting a bottle, a chair, a storefront, or a sneaker silhouette arrives certain the design is hers. Sometimes it is. Frequently it is not, and the reason has nothing to do with how original the design is or how brazenly it was copied.

This toolkit is for the person who has to answer three questions:

Can this look be owned at all? That is the functionality question — a validity question, not a fairness question, decided long before anyone asks whether consumers are confused.
If it can be owned, what exactly do I own, and how do I write that down? Trade dress is the only corner of trademark practice where the property line is drafted from scratch, element by element, by counsel.
Which regime should carry this — trade dress, design patent, copyright, or a sequence of all three? Most product-design matters are mis-routed at intake, and the mis-routing is usually irreversible within twelve months.

If you read only one thing, read Trade Dress and the Functionality Doctrine: Why Good Design Sometimes Cannot Be Owned. It is the doctrinal spine of everything below — the Two Pesos/Wal-Mart divide, footnote 10, TrafFix, the Morton-Norwich factors, the burden allocation in 15 U.S.C. § 1125(a)(3), and the circuit split over aesthetic functionality. Every other document here assumes you know it.

Everything below is United States law; registered designs behave very differently abroad, and that divergence gets its own note.

The Field, Mapped

The Lanham Act never says the words "trade dress." Section 45 defines a trademark as any "word, name, symbol, or device, or any combination thereof" that identifies goods and indicates source. 15 U.S.C. § 1127. Everything else is judicial construction built on the holding that a symbol or device can be "almost anything at all that is capable of carrying meaning." Qualitex Co. v. Jacobson Prods. Co., 514 U.S. 159, 162 (1995); see Wal-Mart Stores, Inc. v. Samara Bros., Inc., 529 U.S. 205, 209-10 (2000). The definition courts quote is "the total image of a product," including size, shape, color or color combinations, texture, graphics, and even particular sales techniques. John H. Harland Co. v. Clarke Checks, Inc., 711 F.2d 966, 980 (11th Cir. 1983). Claims sort into five buckets: packaging and containers, product design (configuration), color, business exteriors and interiors, and the sensory marks — sound and scent — usually analyzed as non-traditional marks rather than dress.

Two elements gate all of it. The dress must be distinctive and it must be non-functional. They are independent, and losing either ends the claim. Registration adds a bar of its own: matter that "as a whole, is functional" cannot register. 15 U.S.C. § 1052(e)(5).

Distinctiveness runs on a split track. Packaging can be inherently distinctive; a Texas jury said as much about Taco Cabana's festive patio and painted murals, and the Supreme Court affirmed. Two Pesos, Inc. v. Taco Cabana, Inc., 505 U.S. 763 (1992). Product design never can. Wal-Mart, 529 U.S. at 212, 216. Justice Scalia's reasoning was that consumers understand product design to make the product more useful or more appealing rather than to say who made it — even "the most unusual of product designs," like "a cocktail shaker shaped like a penguin." 529 U.S. at 213. Where the category is genuinely ambiguous, courts must "err on the side of caution and classify ambiguous trade dress as product design," which means secondary meaning is required. 529 U.S. at 215. Treat that sentence as a standing invitation to the defense; roughly half of all trade dress motions turn on which side of the line a claim lands.

Functionality is not a door; it is a wall. Distinctiveness can be earned. Functionality cannot be cured — a functional feature is unprotectable regardless of fame, spend, recognition, or how flagrant the copying was. Two policies hold the wall up: channeling, because utility patents run twenty years from filing, 35 U.S.C. § 154(a)(2), and the invention then belongs to everyone, Kellogg Co. v. National Biscuit Co., 305 U.S. 111 (1938); and competition, because some features are simply how the job gets done, so letting one seller own them excludes rivals rather than making them differentiate. See Restatement (Third) of Unfair Competition § 17 (1995).

The operative test came from a footnote. A feature is functional "if it is essential to the use or purpose of the article or if it affects the cost or quality of the article." Inwood Labs., Inc. v. Ives Labs., Inc., 456 U.S. 844, 850 n.10 (1982). Note the disjunction: the second prong does most of the killing, and briefs arguing only "not essential" lose to it.

TrafFix Devices, Inc. v. Marketing Displays, Inc., 532 U.S. 23 (2001), hardened the rule around patents. A utility patent is "strong evidence" that the claimed features are functional, the claimant bears the burden of overcoming that inference, and once Inwood functionality is established the availability of alternative designs is irrelevant. 532 U.S. at 29-30, 33. Judge Easterbrook later called a utility patent a "cheat sheet." Jay Franco & Sons, Inc. v. Franek, 615 F.3d 855, 857 (7th Cir. 2010). The narrow escape hatch is TrafFix's acknowledgment that "arbitrary, incidental, or ornamental aspects" appearing in a patent may still be protectable. 532 U.S. at 34.

At the USPTO and in most circuits the evidence is organized by four Morton-Norwich factors: a utility patent disclosing the utilitarian advantages, the applicant's advertising touting them, the availability of alternative designs, and whether the design is simpler or cheaper to manufacture. In re Morton-Norwich Prods., Inc., 671 F.2d 1332, 1340-41 (C.C.P.A. 1982). Factor two is the one clients build against themselves; a product page explaining why the design works better is a party admission.

Finally, who bears the burden is a registration question. For unregistered dress the claimant must prove non-functionality, 15 U.S.C. § 1125(a)(3); for registered dress the registration is prima facie evidence of validity and the accused infringer must prove functionality, §§ 1057(b), 1115(a). That flip is the strongest business case for filing — though it is not repose, because functionality remains an enumerated defense to incontestability, § 1115(b)(8), and a cancellation ground available at any time, § 1064(3).

Theme 1 — The Doctrine Before the Paperwork

Nothing in a trade dress file makes sense until the two gates are clear.

Trade Dress and the Functionality Doctrine — the full doctrine, with a circuit-by-circuit table on aesthetic functionality and a candid section on what remains open. Written for anyone arguing functionality on either side. Reach for it at intake and again before briefing a Rule 56 motion.
Choosing a Strong Trademark: The Distinctiveness Spectrum — the Abercrombie categories in plain terms. Packaging dress borrows this vocabulary, and some circuits run packaging through the spectrum rather than the Seabrook factors. Read it first if "inherently distinctive" is not yet second nature.
Genericide: How Escalator, Aspirin, and Thermos Lost Their Trademarks — the parallel failure mode: a packaging format so common in a category that it signals nothing can be found generic rather than merely descriptive. Bimbo Bakeries USA, Inc. v. Sycamore, 29 F.4th 630, 639 (10th Cir. 2022). For a defendant this is often cleaner than functionality.

Theme 2 — Naming What You Own

The most consequential act in a trade dress matter is converting a look into a closed list of discrete elements. Courts dismiss claims that gesture at an overall impression. Landscape Forms, Inc. v. Columbia Cascade Co., 113 F.3d 373, 381 (2d Cir. 1997); Yurman Design, Inc. v. PAJ, Inc., 262 F.3d 101, 116-17 (2d Cir. 2001) (jeweler who never articulated the elements of an eighteen-piece line lost as a matter of law).

Consider Verano Ceramics, a Tucson tile maker whose bestselling floor tile has a hand-troweled edge, a proprietary crackle glaze, a nine-inch hexagon footprint, and a cobalt underglaze stripe running corner to corner. Three of the four are in trouble. The hexagon tessellates and cuts waste. The troweled edge lets installers set tighter grout lines — Verano's own catalog says so. The crackle glaze is a consequence of a low-fire body. The cobalt stripe does nothing at all, which is precisely why it is the only element worth claiming.

Protecting Trade Dress: A Practitioner's Guide to Product Packaging, Product Design, and Registration — the operational manual, eleven stages from a ninety-minute intake through enforcement. It carries the discrete-elements method, model mark descriptions with their broken-line statements, the six-part architecture for answering a § 2(e)(5) refusal, and realistic cost tables. Work from this once you have decided there is a claim.
Trade Dress Protection Checklist — the same workflow as roughly ninety-five dated, checkable actions across eleven phases, with a deadlines table and a common-mistakes list. Print it at the start of a live matter; use the guide when a step needs explaining.
Specimen Refusals: Why the USPTO Rejected Your Proof of Use — trade dress specimens fail for reasons word marks never encounter. A rendering of a product that does not yet exist is not use in commerce, and a beautifully lit product photograph is a specimen, not a drawing. Read before the photo shoot, not after the refusal.

Trap. Three different descriptions of the same dress — one in the application, one in the demand letter, one in the complaint — is how a plaintiff becomes a moving target. Fix the element list once and use identical wording everywhere.

Theme 3 — The Functionality Audit, and the Refusal When It Comes

Run the Morton-Norwich case against your own client before the examining attorney runs it against you. It takes an afternoon: pull every utility patent and patent-litigation filing the company has made about the product, print the marketing pages, price the tooling alternatives, photograph the competitive shelf.

An examiner who suspects functionality will issue a requirement for information under 37 C.F.R. § 2.61(b) demanding disclosure of any patents covering the design. TMEP § 1202.02(a). Refusing to answer is itself a ground for refusal. The better move is to volunteer the patent with an explanation of why the claimed dress sits outside its claims.

Registering a Non-Traditional Mark: A Practitioner's Guide to Drawings, Descriptions, and Functionality Refusals — despite the title, this is the corpus's deepest treatment of drawing mechanics under 37 C.F.R. § 2.52, description drafting, and response architecture for functionality, failure-to-function, ornamentality, and § 2(f) insufficiency refusals. Any three-dimensional configuration application is a non-traditional application in all but name. Use it at drafting and again when the office action lands.
Office Action Response Toolkit — the broader research guide for answering any refusal, including the three-month clock and its single extension. Reach for it when the file has picked up a § 2(d) or descriptiveness problem alongside functionality.
The 3-Month Office Action Deadline: What It Means for Applicants — short, and it prevents the most avoidable error in this area. The extension must be requested inside the original three months. Docket both dates the day the action issues.

Practice tip. The Supplemental Register is not an escape hatch from § 2(e)(5). Functional matter cannot register there either. 15 U.S.C. § 1091(c); TMEP § 1202.02(a). It is a real landing place for a dress refused only as non-distinctive, and a Supplemental registration still supports a § 43(a) claim and can be recorded with CBP.

Theme 4 — Secondary Meaning: The Long Build

Every product configuration claim requires acquired distinctiveness, always. So does every color mark. The evidence is easy to gather contemporaneously and nearly impossible to reconstruct in discovery, so the file should open on the day of the engagement, not the day of the refusal.

Two cautions. The five-year statement under 15 U.S.C. § 1052(f) almost never carries a configuration; examiners routinely decline it and demand actual evidence. TMEP § 1212.05(a). And — the mistake that costs the most money — secondary meaning never cures functionality. Answering a § 2(e)(5) refusal with a § 2(f) claim concedes the point and loses. Brunswick Corp. v. British Seagull Ltd., 35 F.3d 1527, 1533 (Fed. Cir. 1994), refused black for outboard motors notwithstanding roughly $100 million in advertising.

From Descriptive to Distinctive: How a Weak Mark Acquires Secondary Meaning — the primary-significance test, the burden and standard, the operative language of § 2(f) and the four things it cannot fix, the Converse factors, and the survey percentages courts have credited or rejected. Read it before promising a client that use alone will solve the problem.
Claiming Acquired Distinctiveness at the USPTO — twelve stages with model claim language, an annotated declaration skeleton, a decision tree for the Principal/Supplemental fork, and an advertising allocation table separating spend that teaches consumers to look for the feature from spend that merely sells. The operational companion to the article.
Secondary Meaning Evidence Checklist — the record itemized: use and substantial exclusivity, sales converted into consumer impressions, look-for advertising, unsolicited media and copying, a declaration campaign with a stated sampling method, and the survey decision. Hand it to the client at kickoff so exhibits accumulate with dates attached.
How to Overcome a Descriptiveness §2(e)(1) Refusal — the adjacent refusal, and a useful contrast: descriptiveness is a delay, functionality is terminal. Read it to work out which problem you actually have.

Trap. Look-for advertising aimed at unclaimed matter proves nothing and can reopen a functionality problem the broken-line drawing had already solved. Align the campaign with the drawing.

Theme 5 — Beyond Shape: Color, Sound, Scent, and Motion

Color and sensory marks live under the same functionality doctrine, but it bites harder because a color or a sound almost always does something. High-visibility orange is safety. Black paint makes an engine look smaller and matches every hull. A pulsing tone carries further. Peppermint masks bitterness. The quality that made the feature worth adopting is the quality that makes it unregistrable.

Color, Sound, Scent, and Motion: Registering Non-Traditional Trademarks — traces the doctrine from the per se ban on color through In re Owens-Corning Fiberglas Corp., 774 F.2d 1116 (Fed. Cir. 1985), and Qualitex, then into sound under In re General Electric Broadcasting Co., 199 U.S.P.Q. 560 (T.T.A.B. 1978), scent under In re Clarke, 17 U.S.P.Q.2d 1238 (T.T.A.B. 1990), and flavor under In re N.V. Organon, 79 U.S.P.Q.2d 1639 (T.T.A.B. 2006). Read it when a client wants to own a color, and read the substantially-exclusive-use section before quoting a fee.
Non-Traditional Trademark Application Checklist: Drawing, Description, and Evidence — twelve phases beginning with the functionality interview and the shelf audit, which is where the money is actually saved. It carries the specimen formats and file-size ceilings, the up-to-five numbered freeze frames for a motion mark, and the appeal-or-stop decision. Use it as the pre-flight before pressing submit.

One note that matters to trade dress practitioners generally: the Federal Circuit held that a multi-color mark on product packaging may be inherently distinctive, remanding for a Seabrook analysis. In re Forney Indus., Inc., 955 F.3d 940, 945-48 (Fed. Cir. 2020). It did not reach single color, and both Qualitex and Wal-Mart said flatly that color requires secondary meaning. Plead Forney in the alternative; never build a file on it.

Theme 6 — Overlapping Shields Over One Design

This is where product-design matters are won or lost, and it happens at intake. One object can be covered by a design patent, a copyright, and a trade dress registration at once; trade dress "is, of course, potentially the subject matter of design patents." See 1 J. Thomas McCarthy, McCarthy on Trademarks and Unfair Competition § 6:11 (5th ed.). The regimes have different entry requirements, different terms, and — decisively — different clocks.

| | Trade dress registration | Design patent, 35 U.S.C. § 171 | Copyright | Trade secret | |---|---|---|---|---| | Covers | Non-functional, source-identifying appearance | Ornamental design of an article | Pictorial/graphic features separable from the useful article | Information with value from secrecy | | Term | Indefinite, with §§ 8 and 9 filings | 15 years from grant, § 173 | Life + 70, or 95/120 for works made for hire | As long as secrecy holds | | Distinctiveness required? | Yes — always for configuration | No | No | No | | Killed by functionality? | Absolutely | Only if primarily functional | Useful-article doctrine instead | No | | Signature remedy | Injunction, profits, fees — 15 U.S.C. § 1117(a) | Infringer's total profit, 35 U.S.C. § 289 | Statutory damages and fees if timely registered, 17 U.S.C. § 412 | Injunction and damages under the DTSA | | The clock that kills it | None, but configuration needs 3-5 years of use | One year from first public disclosure or sale, 35 U.S.C. § 102(b)(1) | Three months from first publication, for statutory damages | Disclosure |

The sequencing rule: design patent first, copyright in the label and graphic artwork second, trade dress registration third. The design patent covers years zero through fifteen, delivers a total-profits remedy under § 289 that has no Lanham Act equivalent, and generates a presumption of non-functionality you can hand the examining attorney three years later. Fuji Kogyo Co. v. Pacific Bay Int'l, Inc., 461 F.3d 675, 683 (6th Cir. 2006). It is the highest-leverage move in product-design practice and it is missed constantly, because the client calls trademark counsel first and patent counsel fourteen months later, by which time 35 U.S.C. § 102(b)(1) has closed the window with no cure.

Two contrasts worth holding onto. Design patent infringement is tested by an ordinary observer familiar with the prior art, comparing the accused product to the patent drawings. Egyptian Goddess, Inc. v. Swisa, Inc., 543 F.3d 665 (Fed. Cir. 2008) (en banc), building on Gorham Manufacturing Co. v. White, 81 U.S. (14 Wall.) 511 (1871). No likelihood of confusion, no marketplace evidence, and a prominent house-brand label does not save the defendant the way it sometimes does in a trade dress case. Copyright, meanwhile, reaches only features perceivable as a work of art separate from the useful article and protectable on their own. Star Athletica, L.L.C. v. Varsity Brands, Inc., 580 U.S. 405 (2017). Verano's cobalt stripe is a candidate; Verano's hexagon is not.

What Copyright Registration Actually Buys You — the 17 U.S.C. §§ 411(a) and 412 mechanics that decide whether the label artwork is an asset or a footnote. Read it before launch; the three-month window closes quietly.
Registering a Copyright — how to file packaging artwork, including group registration options that make a seasonal line affordable. Use it the same week you file the design patent.
Who Owns the Work — a freelance packaging designer is not an employee, and absent a signed writing within a statutory category the client may not own the artwork it is about to register. Read it before the copyright application, not after.
Trade Secrets and the DTSA — the fourth shield. Glaze chemistry and tooling geometry are often far more defensible as trade secrets than the resulting shape will ever be as dress.

Trap. Do not file a utility patent claiming or explaining a feature you intend to assert as dress. If the business needs the patent, keep the claimed dress out of the claims and the specification. MDI lost partly on positions it had taken years earlier in its own patent litigation. TrafFix, 532 U.S. at 30-31, 35.

Theme 7 — Enforcement

Trade dress litigation is validity litigation with an infringement claim attached. Suing puts the registration itself on the table — the court may cancel under 15 U.S.C. § 1119, and a functionality counterclaim is standard. Price that before the demand letter goes out.

Trademark Infringement: Proving Likelihood of Confusion — the merits question you reach only after clearing distinctiveness and functionality. A short orientation to the factor tests, useful for setting client expectations at the first meeting.
Commissioning and Attacking a Trademark Survey — universe, controls, and admissibility under Fed. R. Evid. 702. A survey is close to mandatory on a configuration claim and useless on functionality; know which question you are buying. Pair it with Consumer Surveys in Trademark Cases for the doctrine behind the formats.
Moving for a TRO or Preliminary Injunction — declarations, notice, and the bond under Fed. R. Civ. P. 65(c). Early relief is markedly harder on unregistered dress, where likelihood of success means likelihood of proving a negative on a compressed record; see Preliminary Injunctions in Trademark Cases.
Sending an Effective Cease-and-Desist Letter — the letter must recite the element list exactly as the registration does and must not overclaim, because the recipient's counsel will read it against your drawing. Run the Pre-Litigation Enforcement Checklist first.
What a Trademark Win Is Worth — disgorgement no longer requires willfulness after Romag Fasteners, Inc. v. Fossil, Inc., 590 U.S. 212, 218 (2020), which changes the settlement math on a copycat case. For knockoffs that cross the line, see Trademark Counterfeiting and Stopping Counterfeits at the Border, since a registered dress can be recorded with CBP.

Theme 8 — Keeping It, Selling It, Taking It Abroad

Section 15 Incontestability — worth filing for other reasons, but be honest with the client: it buys nothing against functionality, an enumerated defense under § 1115(b)(8).
Filing a Section 8 Declaration of Continued Use — specimen drift is acute here. A packaging refresh that moves a registered element is abandonment of one mark and adoption of another, and the year-six specimen will say so.
Trademark Due Diligence in Mergers and Acquisitions — how to price a registration cancellable at any time under § 1064(3). Buyers systematically overvalue trade dress assets.
Drafting a Trademark License That Survives — licensing a dress means licensing appearance specifications, so quality control has to reach tolerances, colorways, and finishes. The failure mode is in Naked Licensing.
International Trademark Toolkit — registered designs outperform trade dress across most of the world, and many offices refuse three-dimensional marks the USPTO would examine. Decide the foreign plan before the six-month Paris window closes.

A Suggested Reading Path

Every branch begins at the functionality article. After that, pick the branch that matches your posture.

Branch A — the product has not launched (the best position anyone can be in).

Protecting Trade Dress, Stages 1-4 — triage, element list, functionality audit, sequencing.
File the design patent. Then Registering a Copyright for the artwork, after confirming ownership via Who Owns the Work.
Secondary Meaning Evidence Checklist — open the evidence index at launch.
Trade Dress Protection Checklist, Phases 5-7 — draw it, describe it, file it.

Branch B — a § 2(e)(5) functionality refusal just arrived.

The 3-Month Office Action Deadline — docket the response date and the extension-request date today.
Protecting Trade Dress, Stage 7 — the six-part response architecture.
Registering a Non-Traditional Mark — narrow the drawing before you argue, checking the amendment against 37 C.F.R. § 2.72.
If it goes final: Appealing a Final Refusal, then the Ex Parte Appeal Checklist.

Branch C — a competitor has copied the design.

Pre-Litigation Enforcement Checklist, then Sending an Effective Cease-and-Desist Letter.
Trade Dress Protection Checklist, Phase 11 — plead it so it survives Rule 12(b)(6).
Moving for a TRO or Preliminary Injunction if speed matters; Commissioning and Attacking a Trademark Survey if it does not.

Branch D — you are defending. Serve document requests for the plaintiff's patents, patent-litigation filings, and archived marketing pages. The first question is never whether your client copied. It is whether the thing copied could be owned at all — and often the answer is no.

Primary Authorities

| Authority | Holding in one line | |---|---| | 15 U.S.C. § 1125(a); § 1125(a)(3) | Protects registered and unregistered dress; the claimant of unregistered dress must prove non-functionality | | 15 U.S.C. § 1052(e)(5); § 1091(c); § 1064(3); § 1115(b)(8) | Functional matter cannot register anywhere, is cancellable at any time, and defeats incontestability | | 15 U.S.C. §§ 1057(b), 1115(a) | Registration is prima facie evidence of validity — the burden flips to the defendant | | 35 U.S.C. §§ 102(b)(1), 171, 173, 289 | Design patents: one-year bar, ornamental subject matter, 15-year term, total-profits remedy | | 17 U.S.C. §§ 411(a), 412 | Copyright registration conditions suit, statutory damages, and fees | | 37 C.F.R. §§ 2.52(b)(4), 2.61(b), 2.72; TMEP §§ 1202.02, 1212.05(a) | Broken-line drawings, the information requirement, no material alteration; and why five years rarely carries a configuration | | Inwood Labs. v. Ives Labs., 456 U.S. 844, 850 n.10 (1982) | Functional if essential to use or purpose, or if it affects cost or quality | | Two Pesos v. Taco Cabana, 505 U.S. 763 (1992) | Inherently distinctive dress is protectable without secondary meaning | | Qualitex v. Jacobson Prods., 514 U.S. 159 (1995) | Color can be a mark with secondary meaning; competitor-need gloss on functionality | | Wal-Mart Stores v. Samara Bros., 529 U.S. 205 (2000) | Product design is never inherently distinctive; ambiguous dress counts as design | | TrafFix Devices v. Marketing Displays, 532 U.S. 23 (2001) | Expired utility patent is strong evidence of functionality; alternatives then irrelevant | | Star Athletica v. Varsity Brands, 580 U.S. 405 (2017) | Copyright reaches features separable from and independently protectable apart from the useful article | | Romag Fasteners v. Fossil, 590 U.S. 212 (2020) | Willfulness is not a precondition to disgorging an infringer's profits | | In re Morton-Norwich Prods., 671 F.2d 1332 (C.C.P.A. 1982) | Four evidentiary factors: patents, touting, alternatives, manufacturing cost | | Egyptian Goddess v. Swisa, 543 F.3d 665 (Fed. Cir. 2008) (en banc) | Ordinary observer familiar with the prior art is the sole design patent infringement test | | In re Forney Indus., 955 F.3d 940 (Fed. Cir. 2020) | A multi-color mark on packaging may be inherently distinctive | | Landscape Forms v. Columbia Cascade, 113 F.3d 373 (2d Cir. 1997) | A claimant must articulate the specific elements of the claimed dress | | Christian Louboutin v. YSL, 696 F.3d 206 (2d Cir. 2012) | No fashion exception; the red outsole is protectable only where it contrasts with the upper | | Ezaki Glico v. Lotte Int'l Am., 986 F.3d 250 (3d Cir. 2021); Bd. of Supervisors v. Smack Apparel, 550 F.3d 465 (5th Cir. 2008) | The split at its widest: functionality equals usefulness in the Third; the Fifth rejects aesthetic functionality outright | | Dippin' Dots v. Frosty Bites Distrib., 369 F.3d 1197 (11th Cir. 2004) | A design that necessarily results from a patented process is functional | | In re Seminole Tribe of Fla., 2023 U.S.P.Q.2d 631 (T.T.A.B. 2023) | A guitar-shaped building is packaging-like and inherently distinctive |

Forms and Templates

Trade dress work uses ordinary trademark paper, with the element list substituted wherever a word mark would appear.

Response to Office Action — Template — the shell for a § 2(e)(5) response. Swap the argument section for the six-part functionality architecture and attach the Morton-Norwich exhibits as a numbered index.
Trademark Cease-and-Desist Letter — Template — paste the registered element list verbatim and attach the drawing. Never describe the dress in fresh prose; that is how inconsistency starts.
Trademark License Agreement — Template — add an appearance-specification exhibit (colorways, finishes, tolerances) and an inspection right, or quality control is decorative.
Trademark Coexistence Agreement — Template — the resolution when two companies in adjacent categories have converged on similar packaging and neither can afford to litigate functionality.
Trademark Assignment Agreement — Template — a dress transfers with the goodwill and, realistically, the tooling and artwork; schedule the design patents and copyrights too.
Notice of Opposition — Template — functionality is a ground of opposition, and a well-pleaded Morton-Norwich opposition beats a cancellation five years later.
Trademark Portfolio Inventory — Template — add columns for design patent numbers and expiry dates beside each dress registration; that one change surfaces the coordination problem automatically.

Related Toolkits and Checklists

The Brand Owner's Master Toolkit — the parent roadmap, for when trade dress is one item on a broader brand agenda.
Distinctiveness and Genericness Toolkit — the distinctiveness half of the two-element test, for when the dress is weak rather than functional.
Trademark Application and Prosecution Toolkit — filing basis, specimens, and pendency mechanics shared with every other application.
Trademark Litigation Toolkit — pleading through judgment, once the dispute becomes a case.
Evidence and Expert Witness Toolkit — a functionality case is an expert case: design alternatives, tooling economics, survey methodology.
Copyright Fundamentals Toolkit — the companion shelf for the second shield and the useful-article line.
Pre-Filing Trademark Application Checklist — the diligence that catches an inconvenient utility patent before anyone spends filing fees.
TTAB Practice Toolkit — functionality reaches the Board far more often than it reaches a jury.