Serial 73536591
Live / Registered — Registered and renewed (as of 22 Feb 2026)
What this means for you
Registered since 21 Jan 1986. 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 21 Jan 2026).
Record
- Serial number
- 73536591
- Registration number
- 1378958
- Mark type
- Design / logo
- Filed
- 09 May 1985
- Published for opposition
- 29 Oct 1985
- Registered
- 21 Jan 1986
- Next maintenance due
- 21 Jan 2026
- Attorney of record
- Chris Engebretson
Goods and services
- Class 009 — Scientific and electric apparatus: [ COMPUTERS AND ] COMPUTER PROGRAMS
- Class 016 — Paper goods and printed matter: BOOKS, PRINTED INSTRUCTIONAL TEACHING AND TESTING MATERIALS, AND HOUSE ORGANS
Owner
- HMH EDUCATION COMPANY, BOSTON, MA, US
- HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY, BOSTON, MA, US
- HOUGHTON MIFFLIN COMPANY, Boston, MA, US
- HOUGHTON MIFFLIN COMPANY, BOSTON, MA, US
- HOUGHTON MIFFLIN COMPANY, BOSTON, MA, US
Prosecution history
- 22 Feb 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 22 Feb 2026 — REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
- 22 Feb 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 20 Feb 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 20 Nov 2025 — TEAS SECTION 8 & 9 RECEIVED
- 21 Jan 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 25 Sept 2024 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 10 May 2023 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 23 Jun 2022 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 20 Apr 2022 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 11 Dec 2019 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 29 Aug 2018 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 29 Aug 2018 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 06 Feb 2018 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 30 Jan 2018 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED