Who owns the KEYTRUDA trademark?

The KEYTRUDA trademark is owned by Merck Sharp & Dohme LLC.

What class is the KEYTRUDA trademark registered in?

The KEYTRUDA trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations).

What is the serial number for KEYTRUDA?

The USPTO serial number for KEYTRUDA is 79112065.

What is the registration number for KEYTRUDA?

KEYTRUDA is registered under USPTO registration number 4263031.

Sealvo

Home Search: KEYTRUDAKEYTRUDA #79112065

Back

Updated Sep 19, 2026·17 searches this week

View on USPTO TSDR Find similar marks

KEY

USPTO Trademark Record

REGISTERED

KEYTRUDA

SN 79112065·Reg 4263031·Filed Nov 30, 2011

Owner Merck Sharp & Dohme LLC

Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and substances adapted for medical or veterinary purposes, food for babies; dietary supplements for human beings and animals; adhesive plasters, materials for dressings; material for filling teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.

KEYTRUDA (Serial No. 79112065), Registration No. 4263031, is a registered US trademark filed on Nov 30, 2011 by Merck Sharp & Dohme LLC. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

Section 8/9 declaration window: December 27, 2032

Conflict Analysis

Full conflict analysis for KEYTRUDA (SN 79112065) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

KEYTRUDA (Reg. #4263031) is a registered US trademark that has been protecting its owner, Merck Sharp & Dohme LLC, since 2011. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations). Goods and services include Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and subs.... The mark faced 3 opposition proceedings during prosecution.

FILED

Nov 30, 2011

SERIAL

79112065

REG#

4263031

REGISTERED

Dec 25, 2012

Filing Information

StatusREGISTERED

Filing DateNov 30, 2011

Serial Number79112065

Registration No.4263031

Registration DateDec 25, 2012

Status DateJun 27, 2023

Published for OppositionOct 09, 2012

Filing Basis & Declarations

Standard Characters ClaimedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

US codes: 006, 018, 044, 046, 051, 052

This description is as filed with the USPTO and defines the scope of trademark protection.

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

45 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 27, 2023

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED-SEC.71 ACCEPTED

Jun 27, 2023

REGISTERED-SEC.71 ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

Jun 27, 2023

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

NEW REPRESENTATIVE AT IB RECEIVED

Jan 07, 2023

NEW REPRESENTATIVE AT IB RECEIVED

CHANGE OF OWNER RECEIVED FROM IB

Dec 09, 2022

CHANGE OF OWNER RECEIVED FROM IB

TEAS SECTION 71 RECEIVED

Dec 07, 2022

TEAS SECTION 71 RECEIVED

COURTESY REMINDER - SEC. 71 (10-YR) E-MAILED

Dec 25, 2021

COURTESY REMINDER - SEC. 71 (10-YR) E-MAILED

INTERNATIONAL REGISTRATION RENEWED

Dec 17, 2021

INTERNATIONAL REGISTRATION RENEWED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Feb 12, 2018

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.

Feb 12, 2018

REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED

Feb 12, 2018

NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED

TEAS SECTION 71 & 15 RECEIVED

Jan 30, 2018

TEAS SECTION 71 & 15 RECEIVED

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

Dec 25, 2017

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

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

Feb 21, 2014

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 21, 2014

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

CHANGE OF OWNER RECEIVED FROM IB

Nov 09, 2013

CHANGE OF OWNER RECEIVED FROM IB

FINAL DECISION TRANSACTION PROCESSED BY IB

Apr 16, 2013

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

Mar 27, 2013

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Mar 27, 2013

FINAL DISPOSITION NOTICE SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Mar 25, 2013

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Dec 25, 2012

REGISTERED-PRINCIPAL REGISTER

NOTIFICATION PROCESSED BY IB

Oct 16, 2012

NOTIFICATION PROCESSED BY IB

PUBLISHED FOR OPPOSITION

Oct 09, 2012

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 09, 2012

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 19, 2012

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

Sep 19, 2012

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Sep 19, 2012

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 06, 2012

APPROVED FOR PUB - PRINCIPAL REGISTER

LAW OFFICE PUBLICATION REVIEW COMPLETED

Sep 06, 2012

LAW OFFICE PUBLICATION REVIEW COMPLETED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 28, 2012

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 28, 2012

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Aug 23, 2012

ASSIGNED TO LIE

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 20, 2012

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Aug 20, 2012

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 20, 2012

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Aug 20, 2012

TEAS RESPONSE TO OFFICE ACTION RECEIVED

REFUSAL PROCESSED BY IB

Jun 25, 2012

REFUSAL PROCESSED BY IB

APPLICATION FILING RECEIPT MAILED

May 18, 2012

APPLICATION FILING RECEIPT MAILED

REFUSAL PROCESSED BY MPU

May 18, 2012

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

May 18, 2012

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

May 17, 2012

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

May 16, 2012

NON-FINAL ACTION WRITTEN

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 14, 2012

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

ASSIGNED TO EXAMINER

May 14, 2012

ASSIGNED TO EXAMINER

SN ASSIGNED FOR SECT 66A APPL FROM IB

May 10, 2012

SN ASSIGNED FOR SECT 66A APPL FROM IB

Other Marks in Class 005 — Pharmaceuticals, medical & veterinary preparations

Recently filed and registered marks in the same international class.

KEY

KEYTRUDA

86147047

MERCK SHARP & DOHME LLC

REGISTERED

KEY

KEYTRUDA

86177260

MERCK SHARP & DOHME LLC

REGISTERED

KEY

KEYTRUDA

86147045

Merck Sharp & Dohme Corp.

ABANDONED

KEY

KEYTRUDA

86147051

Merck Sharp & Dohme Corp.

ABANDONED

Other Marks by Lisa Dellamura

Additional USPTO filings handled by the same attorney of record.

KEY

KEYTRUDA QLEX

98256332

REGISTERED

LOG

LogoMark

99426462

87409103

ENTENDAMOS EL CANCER JUNTOS

97630782

REGISTERED

KEYTRUDA

Run a conflict check

Other Marks in Class 005 — Pharmaceuticals, medical & veterinary preparations

Other Marks by Lisa Dellamura

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company