PERPLEXORS
Live / Registered — Registered and renewed (as of 14 Jan 2026)
What this means for you
Registered since 07 Feb 2006. 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 07 Feb 2026).
Record
- Serial number
- 78573878
- Registration number
- 3057784
- Mark type
- Stylized text
- Filed
- 24 Feb 2005
- Published for opposition
- 15 Nov 2005
- Registered
- 07 Feb 2006
- Next maintenance due
- 07 Feb 2026
- Attorney of record
- Zhi Dong
Goods and services
- Class 016 — Paper goods and printed matter: printed educational materials, namely puzzles for use in teaching logic skills
Owner
- MINDWARE CORPORATION, ROSEVILLE, MN, US
- Mindware Holdings, Inc., Roseville, MN, US
- Mindware Holdings, Inc., Roseville, MN, US
- Mindware Holdings, Inc., Roseville, MN, US
Prosecution history
- 14 Jan 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 14 Jan 2026 — REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
- 14 Jan 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 14 Jan 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 08 Oct 2025 — TEAS SECTION 8 & 9 RECEIVED
- 07 Feb 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 16 May 2016 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 18 Apr 2015 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 18 Apr 2015 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 18 Apr 2015 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 18 Apr 2015 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 08 Apr 2015 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 03 Apr 2015 — TEAS SECTION 8 & 9 RECEIVED
- 07 Feb 2015 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 18 Jun 2012 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED