DUASORB
Live / Registered — Registered and renewed (as of 16 Apr 2016)
What this means for you
Registered since 30 Mar 1976. 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 (the §8 & §9 renewal was due 30 Mar 2026, and its grace period ended 30 Sept 2026 with no filing on the USPTO record).
Record
- Serial number
- 73058170
- Registration number
- 1036571
- Mark type
- Word mark
- Filed
- 21 Jul 1975
- Registered
- 30 Mar 1976
- Current term from
- 30 Mar 2016
- Next maintenance filing
- §8 & §9 renewal, due by 30 Mar 2026 (grace period to 30 Sept 2026)
- Attorney of record
- Melissa Atherton
Goods and services
- Class 005 — Pharmaceuticals: MIXTURE OF WATER SOLUBLE POLYMERS SOLD AS AN INGREDIENT IN OPHTHALMIC PREPARATIONS
Owner
- ALCON RESEARCH, LTD., Fribourg, DE, US
- ALCON MANUFACTURING, LTD., FORT WORTH, TX, US
- ALCON MANUFACTURING, LTD., FORT WORTH, TX, US
- ALCON LABORATORIES, INC., FORT WORTH, TX, US
- ALCON LABORATORIES, INC., FORT WORTH, TX, US
Prosecution history
- 21 Nov 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 21 Nov 2025 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 21 Nov 2025 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 30 Mar 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 09 Feb 2024 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 09 Feb 2024 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 09 Feb 2024 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 13 Apr 2020 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 13 Apr 2020 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 13 Apr 2020 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 13 Apr 2020 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 13 Apr 2020 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 14 Aug 2019 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 13 Mar 2018 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 13 Mar 2018 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED