Delay Defense Checklist: Building or Breaking a Laches, Acquiescence, and Estoppel Record

By Casey Scott McKay · 2025-01-22

Thirteen phases for either chair in a case where somebody waited. It starts with the two dates that determine everything - when the plaintiff knew and when the defendant changed - and ends with the tailored injunction these cases usually produce. You get a nine-source knowledge investigation, a borrowed-limitations table that tells you who carries the burden, a prejudice schedule with the two filters that discipline it, a rebranding cost curve worksheet, the four encroachment vectors with their authorities, model pleading language for both sides, and the Board variant where the clock starts at publication instead of knowledge. Traps are marked where practitioners routinely lose the argument by overclaiming. One invented matter, Ferrous and Fife v. Hearthwyck Provisions, runs through every phase.

IP and Technology > Trademarks | Checklist | Published 22 January 2025 - Updated 27 April 2025 | Casey Scott McKay - marksy.us

Summary. Thirteen phases for either chair in a case where somebody waited. It starts with the two dates that determine everything — when the plaintiff knew and when the defendant changed — and ends with the tailored injunction these cases usually produce. You get a nine-source knowledge investigation, a borrowed-limitations table that tells you who carries the burden, a prejudice schedule with the two filters that discipline it, a rebranding cost curve worksheet, the four encroachment vectors with their authorities, model pleading language for both sides, and the Board variant where the clock starts at publication instead of knowledge. Traps are marked where practitioners routinely lose the argument by overclaiming. One invented matter, Ferrous and Fife v. Hearthwyck Provisions, runs through every phase.

Keywords: laches checklist · acquiescence checklist · equitable estoppel checklist · delay period calculation · borrowed statute of limitations · watch service discovery · triage memo · prejudice schedule · rebranding cost curve · progressive encroachment date · encroachment pleading · demand letter clock · inevitable confusion · unclean hands · e-systems factors · ttab laches publication · morehouse defense · summary judgment damages period · tailored injunction · coexistence outcome

What this checklist is for

This is the working document for anyone litigating a trademark case where the calendar is a problem. It does not re-teach the doctrine. If you cannot say in one sentence why laches requires no reliance but acquiescence does, read Waiting Too Long: Laches, Acquiescence, and Estoppel in Trademark Law first. The reasoning behind each box — why only spending inside the delay window counts, why growth is not encroachment, why a demand letter can hurt the sender — is in Raising and Defeating a Laches Defense. This document tells you what to do, in order, from both sides.

Who should use it. Defense counsel deciding whether the defense is real or decorative; plaintiff's counsel who has just been served with an answer pleading it; in-house counsel building the monitoring and triage record that will decide this question years from now; and anyone advising a client whose brand has been sitting next to a similar one for a long time.

What you'll need before you start. The plaintiff's registration certificates and full file histories; the defendant's complete use history by year, category, channel, and territory; the plaintiff's watch service contract and every report; the plaintiff's enforcement log; the defendant's marketing and capital expenditure records by year; the defendant's clearance file and mark-selection documents; any prior correspondence between the parties; and the forum's controlling authority on the borrowed limitations period.

The worked matter. Ferrous & Fife, Inc. — Chattanooga, cast-iron cookware under HEARTHWICK since 2001, incontestable Class 21 registration, $40 million revenue, commercial watch service. Hearthwyck Provisions LLC — Portland, hand-poured candles under HEARTHWYCK from 2015, Class 4 registration issued 2017; in 2021 it launched enameled cast-iron cookware into specialty kitchen retailers under a redesigned serif wordmark, reaching $9 million in cookware revenue by 2023. Ferrous & Fife's watch service flagged the 2016 application; the trademark manager wrote a one-paragraph memo declining to act and closed the file. Suit filed 2024 in the Western District of Tennessee. Hearthwyck's best fact: a 2019 acquisition offer declined because it required a name change.

| Phase | What you accomplish | Typical elapsed time | |---|---|---| | 1 | Build the two-column timeline | 1 week | | 2 | Fix the borrowed period and the burden | 1 week | | 3 | Establish or attack the knowledge date | 2-4 months | | 4 | Test whether the delay was unreasonable | 3 weeks | | 5 | Build the prejudice schedule | 4-6 weeks | | 6 | Build the rebranding cost curve | 3-4 weeks | | 7 | Establish or defeat progressive encroachment | 1-2 months | | 8 | Work the demand-letter effects | 2 weeks | | 9 | Run the ceilings: inevitable confusion, unclean hands | 3 weeks | | 10 | Plead and brief to the right test | 6-8 weeks | | 11 | Move for the narrow ruling | 3-5 months | | 12 | Handle the Board variant | as applicable | | 13 | Land the remedy | 2-6 months |

Phase 1 — Build the two-column timeline

[ ] Build one chronology with two columns: what the defendant did and what the plaintiff knew or did, one dated line each, every line sourced to an exhibit.
- Why. Judges decide these cases from the timeline. A brief that opens with a clean, sourced chronology does more work than any argument section. Build it first and update it as discovery comes in.
[ ] In the defendant's column, record: first use by category, channel, and territory; every material change in goods, channel, geography, or presentation; every capital commitment; and every branding decision.
[ ] In the plaintiff's column, record: registration and renewal dates; watch service start date and each report referencing the defendant; internal memoranda; demand letters to anyone; TTAB filings; and other litigation over the same mark.
[ ] Mark two dates in red: the earliest defensible knowledge date and the encroachment date. Everything in this checklist is an argument about one or the other.
[ ] Compute the delay period from each candidate date to the filing date, and note how the answer changes.

Ferrous & Fife, Phase 1. Candidate knowledge dates: 2016 (watch report), 2017 (registration issued), 2021 (cookware launch). Delay is eight years, seven years, or three years. That range is the entire case.

Phase 2 — Fix the borrowed period and the burden

[ ] Identify the state statute of limitations the forum borrows for the most analogous claim.
- Authority. Michigan three years, injury to personal property. Nartron Corp. v. STMicroelectronics, Inc., 305 F.3d 397, 408 (6th Cir. 2002). California four years, state trademark claims. Internet Specialties West, Inc. v. Milon-DiGiorgio Enterprises, Inc., 559 F.3d 985, 990 n.2 (9th Cir. 2009). California three years, fraud, for false advertising. Jarrow Formulas, Inc. v. Nutrition Now, Inc., 304 F.3d 829, 838 (9th Cir. 2002). Georgia four years, personalty, for trade dress. Kason Industries, Inc. v. Component Hardware Group, Inc., 120 F.3d 1199, 1204-05 (11th Cir. 1997). New York six years, fraud. Conopco, Inc. v. Campbell Soup Co., 95 F.3d 187, 191 (2d Cir. 1996). Washington three years, trade name. Eat Right Foods Ltd. v. Whole Foods Market, Inc., 880 F.3d 1109, 1115 (9th Cir. 2018).
[ ] Determine which side the presumption favors on each candidate knowledge date.
- Inside the period: strong presumption against laches. Reno Air Racing Ass'n, Inc. v. McCord, 452 F.3d 1126, 1138-39 (9th Cir. 2006); Tandy Corp. v. Malone & Hyde, Inc., 769 F.2d 362, 366 (6th Cir. 1985).
- Outside it: many courts presume unreasonableness and prejudice and shift the burden. Excelled Sheepskin & Leather Coat Corp. v. Oregon Brewing Co., 897 F.3d 413, 420 (2d Cir. 2018); Santana Products, Inc. v. Bobrick Washroom Equipment, Inc., 401 F.3d 123, 138-39 (3d Cir. 2005); PBM Products, LLC v. Mead Johnson & Co., 639 F.3d 111, 121 (4th Cir. 2011).
[ ] Note that neither presumption is a bar; the defendant still must prove unreasonableness and prejudice. Excelled, 897 F.3d at 419.
[ ] For plaintiffs still choosing a forum: check the borrowed period in every available district before filing.
- Trap. The same three-year delay is presumptively fine under a six-year borrowed period and presumptively fatal under a three-year one. This is a two-hour research question with a first-order effect on the case's value. See Federal Court vs. TTAB.

Phase 3 — Establish or attack the knowledge date

[ ] Remember the standard: the clock runs from when the plaintiff knew or should have known, and the inquiry is objective — the plaintiff is charged with what a reasonable inquiry would have revealed.
- Authority. Excelled, 897 F.3d at 419; Internet Specialties, 559 F.3d at 990; Elvis Presley Enterprises, Inc. v. Capece, 141 F.3d 188, 205 (5th Cir. 1998); Chattanoga Manufacturing, Inc. v. Nike, Inc., 301 F.3d 789, 793 (7th Cir. 2002).
[ ] Serve the nine knowledge requests: watch service reports and transmittals; internal memoranda and emails referencing the defendant; the enforcement log for the mark; all demand letters sent regarding the mark, with responses; documents showing the monitoring program's scope and review process; trade show attendance and booth photographs; trade publication subscriptions; communications with retailers or customers referencing the defendant; and Board proceeding files including extensions of time to oppose.
[ ] Depose the person who read the watch reports, not only the executives.
- Why. That witness sets the date. Ask what the program covered, who reviewed reports, what happened to the defendant's report, and who decided.
[ ] Plaintiff: produce the triage memo prominently.
- Why. A dated memorandum recording a reasoned decision not to act — different class, no channel overlap, revisit if they expand — converts silence into judgment and is the single best answer to laches. See Trademark Watch Services.
- Trap. Withholding watch reports on privilege grounds usually fails. The vendor's report is a business record; counsel's transmittal analysis may be privileged. A privilege fight here signals the reports are bad.
[ ] Confirm what does not start the clock: constructive notice from the defendant's registration alone under 15 U.S.C. § 1072; knowledge of a materially different earlier use; and knowledge held by someone with no brand responsibility.

Ferrous & Fife, Phase 3. The 2016 watch report exists and Hearthwyck will have it within sixty days of serving requests. Ferrous & Fife's counter is the memo attached to it. The deposition of the trademark manager will decide whether that memo reads as diligence or as a filing decision.

Phase 4 — Test whether the delay was unreasonable

[ ] Catalogue the plaintiff's excuses and test each against the authority.
- Genuine bilateral settlement talks: excuse delay. Toyota Motor Sales, U.S.A., Inc. v. Tabari, 610 F.3d 1171, 1183 (9th Cir. 2010).
- Sporadic letters into silence: do not. Hot Wax, Inc. v. Turtle Wax, Inc., 191 F.3d 813, 823-24 (7th Cir. 1999).
- Other litigation over the same mark: excuses it. "A trademark owner is not bound to take on more than one infringer at a time." Cuban Cigar Brands N.V. v. Upmann International, Inc., 457 F. Supp. 1090, 1097 n.28 (S.D.N.Y. 1978).
- A pending Board proceeding: generally excuses it.
- The defendant's concealment: stops the clock entirely.
[ ] Note the sliding scale: where the plaintiff offers no excuse, courts require less prejudice.
[ ] In the Ninth Circuit, work the six E-Systems factors — strength and value of the rights; the plaintiff's diligence; harm to the plaintiff if relief is denied; the defendant's good-faith ignorance; competition between the parties; and harm to the defendant from the delay. E-Systems, Inc. v. Monitek, Inc., 720 F.2d 604, 607 (9th Cir. 1983); Grupo Gigante S.A. de C.V. v. Dallo & Co., 391 F.3d 1088, 1101-06 (9th Cir. 2004).
- Plaintiff's target: factor four. A defendant that ran a clearance search and proceeded anyway is not in good-faith ignorance.
- Defendant's target: factor two. Produce the plaintiff's enforcement log showing everyone else it chased.
[ ] Confirm which framing your circuit uses — three elements, two collapsed elements, or knowledge stated expressly. Internet Specialties, 559 F.3d at 990; Ray Communications, Inc. v. Clear Channel Communications, Inc., 673 F.3d 294, 300 (4th Cir. 2012); Saratoga Vichy Spring Co. v. Lehman, 625 F.2d 1037, 1040 (2d Cir. 1980).

Phase 5 — Build the prejudice schedule

[ ] Separate the two kinds and prove each on its own terms. Eat Right Foods, 880 F.3d at 1119.
[ ] Evidentiary prejudice. Name each unavailable witness and the date of death or departure; identify each destroyed document category and the retention schedule that destroyed it; and state what each would have shown.
- Trap. "Memories have faded" without names and dates is worthless. Specificity is the whole showing.
[ ] Expectations-based prejudice. Build a year-by-year schedule of expenditure and commitment under the mark.
- Authority. Pinkette Clothing, Inc. v. Cosmetic Warriors Ltd., 894 F.3d 1015, 1028 (9th Cir. 2018); Abraham v. Alpha Chi Omega, 708 F.3d 614, 625 (5th Cir. 2013).
[ ] Apply filter one: the delay window. Strike everything spent before the plaintiff knew or should have known. Eat Right Foods, 880 F.3d at 1120.
[ ] Apply filter two: routine spending. Strike ordinary advertising and the mere continuation of use. Ray Communications, 673 F.3d at 305-06; Internet Specialties, 559 F.3d at 991-92; Warner-Lambert Co. v. Schick U.S.A., Inc., 935 F. Supp. 130, 142 (D. Conn. 1996). The test is a change of position that would not have occurred but for the delay. Conopco, 95 F.3d at 192.
[ ] Keep what survives both filters: long-term leases tied to the brand; tooling, molds, and packaging dies; brand-conditioned financing or acquisition transactions; distribution agreements with brand covenants; facilities built around the name.
[ ] Defendant, apply the filters yourself before the plaintiff does.
- Trap. A declaration listing every dollar the business ever spent invites the court to discount the entire document, including the parts that were good.
[ ] Plaintiff, run the filters as an exhibit. A one-page table converting the defendant's $6.2 million claim into $700,000 of qualifying spend is the most efficient brief you will write.

Phase 6 — Build the rebranding cost curve

[ ] Compute what a name change would have cost at the start of the delay window and what it costs now, on the same methodology.
[ ] Include in each figure: clearance and filings; packaging and label redesign and inventory write-off; signage; digital assets and domains; distribution and retailer relisting; regulatory refilings where applicable; marketing to re-establish recognition; and legal.
- See. Changing the Name on the Door and Executing a Rebrand for the cost components.
[ ] Put the two numbers in the declaration as a single paragraph.
- Why. "It would have cost $200,000 to change our name in 2016 and it costs $4.1 million now" is the most persuasive sentence available in a laches record, and it quantifies exactly the harm the delay caused. Very few declarations contain it.
[ ] Plaintiff's answer. Attack the methodology and the window. If the encroachment date is 2021, the curve should start in 2021, not 2016, and most of the gap disappears.

Phase 7 — Establish or defeat progressive encroachment

[ ] Plaintiff: identify the specific change that made the claim provable, and date it.
- Authority. ProFitness Physical Therapy Center v. Pro-Fit Orthopedic & Sports Physical Therapy P.C., 314 F.3d 62, 68, 70 (2d Cir. 2002); Kellogg Co. v. Exxon Corp., 209 F.3d 562, 573 (6th Cir. 2000); Kason, 120 F.3d at 1206.
[ ] Test the change against the four vectors: goods (Kellogg, 209 F.3d at 573-74; Amy's Ice Creams, Inc. v. Amy's Kitchen, Inc., 60 F. Supp. 3d 738, 744 (W.D. Tex. 2014)); channel (Sara Lee Corp. v. Kayser-Roth Corp., 81 F.3d 455, 462 (4th Cir. 1996)); geography (Oriental Financial Group, Inc. v. Cooperativa de Ahorro y Credito Oriental, 698 F.3d 9, 21-22 (1st Cir. 2012)); and presentation (Angel Flight of Georgia, Inc. v. Angel Flight America, Inc., 522 F.3d 1200, 1207 (11th Cir. 2008)).
[ ] Defendant: characterize the change as growth, not redirection.
- Authority. Internet Specialties, 559 F.3d at 991 (dial-up to DSL was natural growth); ProFitness, 314 F.3d at 70 (redirection required).
[ ] Plead it as a change, not as a use.
- Model. Defendant's use from 2015 through 2020 was confined to hand-poured candles sold through its own website and Portland-area gift retailers, a category and channel in which Plaintiff does not compete. In or about [month] 2021, Defendant materially changed that use by launching enameled cast-iron cookware, distributing it through specialty kitchen retailers, and adopting a new serif wordmark substantially more similar to Plaintiff's. Plaintiff's claims are directed to the use commencing in 2021.
[ ] Date the change with the defendant's own documents: launch plans, first invoices in the new category, retailer onboarding records, the design brief for the new mark, and the marketing calendar.
[ ] Trap for plaintiffs. Do not plead encroachment and then seek damages reaching back to the original use. Inconsistency on the date loses the argument.

Phase 8 — Work the demand-letter effects

[ ] Confirm whether a demand letter was sent, when, and what happened after.
[ ] Apply the three rules.
- Notice generally stops prejudice from accruing, because the defendant thereafter proceeds at its own risk. Roederer v. J. Garcia Carrion, S.A., 569 F.3d 855, 859 (8th Cir. 2009); Elvis Presley Enterprises, 141 F.3d at 205.
- It does not end the laches period where the defendant's conduct simply continued unchanged. Kiva Health Brands LLC v. Kiva Brands Inc., 439 F. Supp. 3d 1185, 1193 (N.D. Cal. 2020); Abraham v. Alpha Chi Omega, 816 F. Supp. 2d 357, 361 (N.D. Tex. 2011).
- It helps the defendant where the sender then went silent for years. Prestwick Group, Inc. v. Landmark Studio Ltd., No. 14-cv-1067 (E.D. Wis. May 19, 2015).
[ ] Prospective lesson for brand owners: do not send a letter you are not prepared to follow. A letter converts constructive knowledge into actual knowledge with a date on it. See Sending an Effective Cease-and-Desist Letter and Pre-Litigation Enforcement Checklist.

Phase 9 — Run the ceilings

[ ] Inevitable confusion. Test whether confusion is "an increment higher" than merely likely; if so, most circuits bar all equitable defenses. TMT North America, Inc. v. Magic Touch GmbH, 124 F.3d 876, 886 (7th Cir. 1997); ProFitness, 314 F.3d at 68.
- Ninth Circuit variant. Only where confusion poses a risk to public safety. Pinkette, 894 F.3d at 1029; Tillamook Country Smoker, Inc. v. Tillamook County Creamery Ass'n, 465 F.3d 1102, 1111 (9th Cir. 2006). Think pharmaceuticals, devices, food, automotive, children's products. See The Name the FDA Has to Approve.
[ ] Unclean hands against the defendant. Several circuits bar an intentional infringer from invoking laches. Hermès International v. Lederer de Paris Fifth Avenue, Inc., 219 F.3d 104, 107 (2d Cir. 2000); Hot Wax, 191 F.3d at 825.
- Limit. Mere awareness of the plaintiff's mark is not bad faith. Abraham, 708 F.3d at 621-22.
- Take the discovery. The clearance file, the mark-selection documents, and the design brief. See Trademark Clearance Searching.
[ ] Unclean hands against the plaintiff. Available, but the misconduct must relate to the acquisition or use of the asserted mark. Jarrow, 304 F.3d at 841-42. Courts have rejected attacks based on the plaintiff's licensing practices, food ingredients, its own advertising, its litigation tactics, and alleged bad-faith filing. Fuddruckers, Inc. v. Doc's B.R. Others, Inc., 826 F.2d 837, 847 (9th Cir. 1987).

Phase 10 — Plead and brief to the right test

[ ] Plead laches, acquiescence, estoppel, waiver, and unclean hands in the answer. Fed. R. Civ. P. 8(c)(1).
- Trap. Omitting an equitable defense waives it. There is no cost to pleading in the alternative and a total cost to leaving one out.
[ ] Plead facts, not labels — dates, the watch report, the expenditure figures, the declined transaction.
[ ] Distinguish the three doctrines correctly in the brief.
- Laches: unreasonable delay plus prejudice; no reliance required. Nartron, 305 F.3d at 411.
- Acquiescence: affirmative conduct amounting to consent, plus reliance. Coach House Restaurant, Inc. v. Coach & Six Restaurants, Inc., 934 F.2d 1551, 1558 (11th Cir. 1991); SunAmerica Corp. v. Sun Life Assurance Co. of Canada, 77 F.3d 1325, 1344 (11th Cir. 1996); Covertech Fabricating, Inc. v. TVM Building Products, Inc., 855 F.3d 163, 175 (3d Cir. 2017).
- Estoppel: misleading conduct, reasonable reliance, material prejudice.
[ ] Check the acquiescence fact patterns that have worked: encouragement inside a business relationship; silence after the defendant proposed a modification to resolve the dispute, ProFitness, 314 F.3d at 68-69; and an agent's expression of support, Conan Properties, Inc. v. Conans Pizza, Inc., 752 F.2d 145, 152 (5th Cir. 1985).
- Limit. Silence after receiving a response to a demand letter is generally not implied consent. Fendi Adele S.R.L. v. Filene's Basement, Inc., 696 F. Supp. 2d 368, 380 (S.D.N.Y. 2010).
[ ] Structure the brief around the Phase 1 timeline, not the elements.
[ ] Raise the allocation question early: laches is equitable and the court usually decides it, though practice on advisory juries and special interrogatories varies. Ask at the pretrial conference.

Phase 11 — Move for the narrow ruling

[ ] Identify what can actually be decided on summary judgment: the borrowed period and its presumption; whether particular expenditures fall inside the delay window; and whether a use change is encroachment as a matter of law.
[ ] Defendant: move for partial summary judgment limiting the damages period rather than for a complete bar.
- Why. It is easier to establish, it removes most of the money from the case, and it creates immediate settlement pressure. 15 U.S.C. § 1117(a) profits are usually the largest number in the case. See What a Trademark Win Is Worth.
[ ] Plaintiff: oppose on the knowledge date, which is almost always genuinely disputed, and on the filtered prejudice schedule.
[ ] Budget $70,000 to $200,000 for this round and tell the client before filing.

Phase 12 — Handle the Board variant

[ ] Plead the defense specifically. 15 U.S.C. § 1069; 37 C.F.R. § 2.106(b)(2).
[ ] In an opposition, measure delay from publication, not knowledge of use. National Cable Television Ass'n v. American Cinema Editors, Inc., 937 F.2d 1572, 1581-82 (Fed. Cir. 1991).
- Why it almost never works. The opposition window is thirty days, extendable to 180. 37 C.F.R. §§ 2.101(c), 2.102. There is no time in which to sleep.
[ ] Check whether the applicant owns or owned a prior registration for substantially the same mark and goods, which extends the delay period. Brooklyn Brewery Corp. v. Brooklyn Brew Shop, LLC, 17 F.4th 129, 142 (Fed. Cir. 2021); Land O' Lakes, Inc. v. Hugunin, 88 U.S.P.Q.2d 1957 (T.T.A.B. 2008).
[ ] In a cancellation, measure from registration. Three and a half to five years has sufficed. Teledyne Technologies, Inc. v. Western Skyways, Inc., 78 U.S.P.Q.2d 1203 (T.T.A.B. 2006); Turner v. Hops Grill & Bar, Inc., 52 U.S.P.Q.2d 1310 (T.T.A.B. 1999).
[ ] Confirm the claim is one laches can reach. It cannot reach genericness, descriptiveness, functionality, or abandonment. Saint-Gobain Abrasives, Inc. v. Unova Industrial Automation Systems, Inc., 66 U.S.P.Q.2d 1355 (T.T.A.B. 2003); Brooklyn Brewery, 17 F.4th at 145. It can reach false association. Bridgestone/Firestone Research, Inc. v. Automobile Club de l'Ouest de la France, 245 F.3d 1359, 1361-63 (Fed. Cir. 2001).
[ ] Consider the Morehouse prior-registration defense where your client already holds an unchallenged registration for a substantially identical mark on substantially identical goods — reading "substantially identical" strictly. O-M Bread, Inc. v. U.S. Olympic Committee, 65 F.3d 933, 939 (Fed. Cir. 1995).
[ ] See TTAB Practice Toolkit and Filing a Petition for Cancellation.

Phase 13 — Land the remedy

[ ] Identify which of the four outcomes the record supports, and negotiate toward it.
- No accounting, injunction preserved. The classic. McLean v. Fleming, 96 U.S. 245, 257-58 (1877); Menendez v. Holt, 128 U.S. 514, 523-24 (1888).
- No injunction either. Heavy prejudice, confusion not inevitable. Conopco, 95 F.3d at 192-93.
- Cancellation barred. Pinkette, 894 F.3d 1015.
- A limited injunction. Continued use in the goods, channels, and territory occupied during the delay; no expansion; often required differentiation of presentation.
[ ] Price the negotiated version against the litigated one for the client, in writing.
- Why. A limited injunction is a court-imposed coexistence agreement. The same terms are available by agreement for $40,000 to $120,000 rather than $250,000 to $700,000. See Settling a Trademark Dispute and Trademark Coexistence Agreement — Template.
[ ] Remember that delay bites outside the doctrine: the 15 U.S.C. § 1116(a) irreparable-harm presumption is rebuttable, and unexplained delay is what rebuts it. Gidatex, S.r.L. v. Campaniello Imports, Ltd., 13 F. Supp. 2d 417, 419-20 (S.D.N.Y. 1998). See Moving for a TRO or Preliminary Injunction in a Trademark Case.

Key Authorities at a Glance

| Authority | What it provides | Phase | |---|---|---| | Fed. R. Civ. P. 8(c)(1) | Equitable defenses must be pleaded | 10 | | 15 U.S.C. § 1115(b)(9) | Survives incontestability | 10 | | 15 U.S.C. § 1069 | Equitable principles at the Board | 12 | | 15 U.S.C. § 1116(a) | Equity; rebuttable irreparable-harm presumption | 13 | | 15 U.S.C. § 1117(a) | Monetary relief subject to equity | 11, 13 | | Excelled Sheepskin & Leather Coat Corp. v. Or. Brewing Co., 897 F.3d 413 (2d Cir. 2018) | Clock, burden, borrowed period | 2, 3 | | Chattanoga Mfg., Inc. v. Nike, Inc., 301 F.3d 789 (7th Cir. 2002) | Reasonable-inquiry knowledge | 3 | | Nartron Corp. v. STMicroelectronics, Inc., 305 F.3d 397 (6th Cir. 2002) | No reliance required | 2, 10 | | Reno Air Racing Ass'n v. McCord, 452 F.3d 1126 (9th Cir. 2006) | Presumption inside the period | 2 | | Santana Prods. v. Bobrick Washroom Equip., 401 F.3d 123 (3d Cir. 2005) | Presumption outside it | 2 | | E-Systems, Inc. v. Monitek, Inc., 720 F.2d 604 (9th Cir. 1983) | Six equity factors | 4 | | Eat Right Foods Ltd. v. Whole Foods Mkt., Inc., 880 F.3d 1109 (9th Cir. 2018) | Two prejudice forms; window filter | 5, 6 | | Ray Commc'ns v. Clear Channel Commc'ns, 673 F.3d 294 (4th Cir. 2012) | Routine expenditure insufficient | 4, 5 | | Conopco, Inc. v. Campbell Soup Co., 95 F.3d 187 (2d Cir. 1996) | Change of position; remedy denial | 5, 13 | | Pinkette Clothing v. Cosmetic Warriors Ltd., 894 F.3d 1015 (9th Cir. 2018) | Investment prejudice; safety limit; cancellation barred | 5, 9, 13 | | ProFitness Physical Therapy Ctr. v. Pro-Fit Orthopedic, 314 F.3d 62 (2d Cir. 2002) | Encroachment; acquiescence by silence | 7, 9, 10 | | Kellogg Co. v. Exxon Corp., 209 F.3d 562 (6th Cir. 2000) | Encroachment by goods | 7 | | Sara Lee Corp. v. Kayser-Roth Corp., 81 F.3d 455 (4th Cir. 1996) | Encroachment by channel | 7 | | Oriental Fin. Grp. v. Cooperativa de Ahorro y Credito Oriental, 698 F.3d 9 (1st Cir. 2012) | Encroachment by geography | 7 | | Internet Specialties W. v. Milon-DiGiorgio Enters., 559 F.3d 985 (9th Cir. 2009) | Growth is not encroachment | 3, 5, 7 | | Roederer v. J. Garcia Carrion, S.A., 569 F.3d 855 (8th Cir. 2009) | Notice stops prejudice | 8 | | Kiva Health Brands LLC v. Kiva Brands Inc., 439 F. Supp. 3d 1185 (N.D. Cal. 2020) | Unchanged conduct does not end the period | 8 | | TMT N. Am., Inc. v. Magic Touch GmbH, 124 F.3d 876 (7th Cir. 1997) | Inevitable confusion bars the defense | 9 | | Hermès Int'l v. Lederer de Paris Fifth Ave., 219 F.3d 104 (2d Cir. 2000) | Intentional infringer barred | 9 | | Coach House Rest. v. Coach & Six Rests., 934 F.2d 1551 (11th Cir. 1991) | Acquiescence requires active consent | 10 | | Nat'l Cable Television Ass'n v. Am. Cinema Editors, 937 F.2d 1572 (Fed. Cir. 1991) | Board clock from publication | 12 | | Brooklyn Brewery Corp. v. Brooklyn Brew Shop, 17 F.4th 129 (Fed. Cir. 2021) | Extended period; claim limits | 12 | | McLean v. Fleming, 96 U.S. 245 (1877) | Accounting barred, injunction preserved | 13 | | Menendez v. Holt, 128 U.S. 514 (1888) | Delay does not license deception | 13 | | 37 C.F.R. § 2.106(b)(2) | Pleading equitable defenses at the Board | 12 |

The five things people get wrong

Overclaiming prejudice. A schedule listing every dollar the business ever spent gets discounted in full. Run the delay-window and routine-spending filters yourself before the other side does.

Pleading a use date instead of an encroachment date. A plaintiff who alleges "defendant has used the mark since 2015" has pleaded an eight-year delay against itself. Plead the change and the date it happened.

Treating the watch service as the liability. It is not. The unread report is. A dated triage memo turns the same report from evidence of sleeping into evidence of judgment, and it costs an hour.

Sending a letter and then going quiet. A demand letter converts constructive knowledge into an actual date. Where it is followed by years of silence it is the defendant's best exhibit.

Fighting for a total bar when a damages-period ruling wins the case. Partial relief is easier to obtain, removes most of the money, and forces the settlement the case was always going to reach.