RATIONAL
Live / Registered — Registered and renewed (as of 31 Mar 2026)
What this means for you
Registered since 01 Oct 1985. 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 01 Oct 2025).
Record
- Serial number
- 73531936
- Registration number
- 1363343
- Mark type
- Word mark
- Filed
- 12 Apr 1985
- Published for opposition
- 23 Jul 1985
- Registered
- 01 Oct 1985
- Next maintenance due
- 01 Oct 2025
- Attorney of record
- Jenny Greisman
Goods and services
- Class 016 — Paper goods and printed matter: MANUALS FOR COMPUTERS AND MANUALS FOR COMPUTER PROGRAMS
Owner
- INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY, US
- RATIONAL, MOUNTAIN VIEW, CA, US
- RATIONAL, MOUNTAIN VIEW, CA, US
- RATIONAL, MOUNTAIN VIEW, CA, US
Prior registrations
Prosecution history
- 31 Mar 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 31 Mar 2026 — REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
- 31 Mar 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 31 Mar 2026 — POST REGISTRATION ACTION MAILED NO RESPONSE REQUIRED
- 13 Dec 2025 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 05 Sept 2025 — TEAS SECTION 8 & 9 RECEIVED
- 18 Aug 2025 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 18 Aug 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 18 Aug 2025 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 18 Aug 2025 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 18 Aug 2025 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 18 Aug 2025 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 01 Oct 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 25 Sept 2019 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 25 Sept 2019 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED