DUASORB Trademark

Trademark Overview

On Monday, July 21, 1975, a trademark application was filed for DUASORB with the United States Patent and Trademark Office. The USPTO has given the DUASORB trademark a serial number of 73058170. The federal status of this trademark filing is REGISTERED AND RENEWED as of Saturday, April 16, 2016. This trademark is owned by ALCON LABORATORIES, INC.. The DUASORB trademark is filed in the Pharmaceutical Products category with the following description:

MIXTURE OF WATER SOLUBLE POLYMERS SOLD AS AN INGREDIENT IN OPHTHALMIC PREPARATIONS
duasorb

General Information

Serial Number73058170
Word MarkDUASORB
Filing DateMonday, July 21, 1975
Status800 - REGISTERED AND RENEWED
Status DateSaturday, April 16, 2016
Registration Number1036571
Registration DateTuesday, March 30, 1976
Mark Drawing1 - Typeset: Word(s) / letter(s) / number(s)
Published for Opposition DateNOT AVAILABLE

Trademark Statements

Goods and ServicesMIXTURE OF WATER SOLUBLE POLYMERS SOLD AS AN INGREDIENT IN OPHTHALMIC PREPARATIONS

Classification Information

International Class005 - Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; dietetic substances adapted for medical use, food for babies; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.
US Class Codes018
Class Status Code6 - Active
Class Status DateTuesday, March 1, 1983
Primary Code005
First Use Anywhere DateWednesday, December 4, 1974
First Use In Commerce DateWednesday, December 4, 1974

Trademark Owner History

Party NameALCON RESEARCH, LTD.
Party Type43 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressFribourg CH-1701
CH
Party NameALCON MANUFACTURING, LTD.
Party Type42 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressFORT WORTH, TX 76134
Party NameALCON MANUFACTURING, LTD.
Party Type41 - New Owner After Registration
Legal Entity Type13 - Limited Partnership
AddressFORT WORTH, TX 76134
Party NameALCON LABORATORIES, INC.
Party Type40 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressFORT WORTH, TX 76134
Party NameALCON LABORATORIES, INC.
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressFORT WORTH, TX 76134

Trademark Events

Event DateEvent Description
Wednesday, September 9, 1981REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Wednesday, October 11, 1995REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
Tuesday, November 21, 1995REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Monday, May 9, 2005TEAS SECTION 8 & 9 RECEIVED
Monday, May 9, 2005REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
Tuesday, June 28, 2005ASSIGNED TO PARALEGAL
Tuesday, June 28, 2005REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Tuesday, June 28, 2005REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
Wednesday, August 15, 2007AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Wednesday, July 2, 2008AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Tuesday, February 9, 2016TEAS CHANGE OF CORRESPONDENCE RECEIVED
Tuesday, February 9, 2016TEAS SECTION 8 & 9 RECEIVED
Saturday, April 16, 2016CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Saturday, April 16, 2016REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Saturday, April 16, 2016REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
Saturday, April 16, 2016NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Wednesday, August 3, 2016TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Wednesday, August 3, 2016ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Wednesday, February 7, 2018TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Wednesday, February 7, 2018ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Tuesday, March 13, 2018TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Tuesday, March 13, 2018ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Wednesday, August 14, 2019ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Monday, April 13, 2020TEAS CHANGE OF OWNER ADDRESS RECEIVED
Monday, April 13, 2020TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Monday, April 13, 2020ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Monday, April 13, 2020TEAS CHANGE OF CORRESPONDENCE RECEIVED
Monday, April 13, 2020APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Friday, February 9, 2024TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Friday, February 9, 2024ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Friday, February 9, 2024TEAS CHANGE OF CORRESPONDENCE RECEIVED
Sunday, March 30, 2025COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Friday, November 21, 2025TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Friday, November 21, 2025ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Friday, November 21, 2025TEAS CHANGE OF CORRESPONDENCE RECEIVED

Related Keywords

duasorb ingredient ophthalmic preparations sold polymers water soluble mixture