UNASYN

LIVE

Serial Number

72243575

Owner

PFIZER INC.

Attorney

Andrea Christensen

First Use Date

Mar 10, 1966

Filing Date

Apr 15, 1966

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UNASYN Trademark

Serial Number: 72243575 • Registration: 0818579

UNASYN is a trademark filed by PFIZER INC. on April 15, 1966. The trademark is classified under Class 5 (Pharmaceuticals). The application is currently registered and active.

Trademark Classes

Class 5 - Pharmaceuticals

Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes

Owner Contact Info

PFIZER INC. (4,630 trademarks)

NEW YORK, NY 10017

Entity Type: 03

CHAS. PFIZER & CO., INC. (379 trademarks)

Entity Type: 03

Legal Representation

Attorney of Record

Andrea Christensen

272 trademarks filed View all →

Correspondence Address

Andrea Christensen

66 Hudson Boulevard East

NEW YORK, NY 10001-2192

United States

Trademark Details

Filing Date

April 15, 1966

Registration Date

November 15, 1966

First Use Anywhere

March 10, 1966

First Use in Commerce

March 10, 1966

Goods & Services

ANTIBIOTIC PREPARATION SOLD ON PRESCRIPTION ONLY

Filing History

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Jan 29, 2026 EWAF

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 29, 2026 TCCA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 29, 2026 ARAA

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Jan 29, 2026 REAP

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Nov 15, 2025 REM2

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Mar 28, 2023 CHAN

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 28, 2023 TCCA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 28, 2023 ARAA

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Mar 28, 2023 REAP

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Mar 28, 2023 COAR

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Jun 9, 2016 NA89

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Jun 9, 2016 RNL3

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Jun 9, 2016 89AG

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 9, 2016 APRE

TEAS SECTION 8 & 9 RECEIVED

Mar 23, 2016 E89R

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Nov 15, 2015 REM2

CASE FILE IN TICRS

Feb 4, 2009 CFIT

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 27, 2008 ARAA

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Feb 27, 2008 REAP

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Oct 14, 2006 RNL2

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Oct 14, 2006 89AG

ASSIGNED TO PARALEGAL

Oct 14, 2006 PLGL

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Aug 9, 2006 89AF

TEAS SECTION 8 & 9 RECEIVED

Aug 9, 2006 E89R

REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)

Nov 15, 1986 REN1

REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8

Jun 20, 1986 9.AF

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Serial #72243517