MATH STACKERS
Live / Registered — Registered and renewed (as of 09 Sept 2026)
What this means for you
Registered since 28 Jun 2016. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 28 Jun 2026).
Record
- Serial number
- 86809007
- Registration number
- 4988230
- Mark type
- Design + words
- Filed
- 04 Nov 2015
- Published for opposition
- 12 Apr 2016
- Registered
- 28 Jun 2016
- Next maintenance due
- 28 Jun 2026
- Attorney of record
- Matthew J. Clark
Goods and services
- Class 009 — Scientific and electric apparatus: Educational apparatus, namely, manipulative blocks used as teaching aids for the visualization of math concepts
Owner
- MATH STACKERS, INC., HOUSTON, TX, US
- MATH STACKERS, INC., HOUSTON, TX, US
- MATH STACKERS, INC., HOUSTON, TX, US
Prosecution history
- 09 Sept 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 09 Sept 2026 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 09 Sept 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 26 Aug 2026 — TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
- 21 Aug 2026 — POST REGISTRATION ACTION MAILED - SEC. 8 & 9
- 21 Aug 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 29 Jun 2026 — TEAS SECTION 8 & 9 RECEIVED
- 28 Jun 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 20 Dec 2022 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 20 Dec 2022 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
- 20 Dec 2022 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 07 Jun 2022 — TEAS SECTION 8 & 15 RECEIVED
- 07 Jun 2022 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 07 Jun 2022 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 07 Jun 2022 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED