IMMUKNOW Trademark

Trademark Overview

On Thursday, January 9, 2003, a trademark application was filed for IMMUKNOW with the United States Patent and Trademark Office. The USPTO has given the IMMUKNOW trademark a serial number of 76481271. The federal status of this trademark filing is REGISTERED AND RENEWED as of Tuesday, October 14, 2025. This trademark is owned by Cylex, Incorporated. The IMMUKNOW trademark is filed in the Pharmaceutical Products category with the following description:

Diagnostic reagents for clinical and medical laboratory use; test kits for the detection of lymphocyte function composed of reagents for clinical and medical laboratory use
immuknow

General Information

Serial Number76481271
Word MarkIMMUKNOW
Filing DateThursday, January 9, 2003
Status800 - REGISTERED AND RENEWED
Status DateTuesday, October 14, 2025
Registration Number3104326
Registration DateTuesday, June 13, 2006
Mark Drawing1 - Typeset: Word(s) / letter(s) / number(s)
Published for Opposition DateTuesday, March 29, 2005

Trademark Statements

Goods and ServicesDiagnostic reagents for clinical and medical laboratory use; test kits for the detection of lymphocyte function composed of reagents for clinical and medical laboratory use

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 Codes006, 018, 044, 046, 051, 052
Class Status Code6 - Active
Class Status DateTuesday, January 21, 2003
Primary Code005
First Use Anywhere DateThursday, April 3, 2003
First Use In Commerce DateThursday, April 3, 2003

Trademark Owner History

Party NameEUROFINS VIRACOR, LLC
Party Type33 - New Owner After Registration
Legal Entity Type16 - Limited Liability Company
AddressLENEXA, KS 66219
Party NameEUROFINS VIRACOR, INC.
Party Type32 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressLEE'S SUMMIT, NJ 64086
Party NameVIRACOR-IBT LABORATORIES, INC.
Party Type31 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressLEE'S SUMMIT, MO 64086
Party NameCylex, Incorporated
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressColumbia, MD 21045
Party NameCylex, Incorporated
Party Type20 - Owner at Publication
Legal Entity Type03 - Corporation
AddressColumbia, MD 21045
Party NameCylex, Incorporated
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressColumbia, MD 21045

Trademark Events

Event DateEvent Description
Friday, March 14, 2003ASSIGNED TO EXAMINER
Thursday, March 27, 2003NON-FINAL ACTION MAILED
Wednesday, May 14, 2003PAPER RECEIVED
Wednesday, May 14, 2003CORRESPONDENCE RECEIVED IN LAW OFFICE
Wednesday, July 23, 2003FINAL REFUSAL MAILED
Wednesday, October 29, 2003EXPARTE APPEAL RECEIVED AT TTAB
Thursday, October 30, 2003EX PARTE APPEAL-INSTITUTED
Monday, November 3, 2003CASE FILE IN TICRS
Monday, December 29, 2003EXAMINERS STATEMENT MAILED
Thursday, July 8, 2004EX PARTE APPEAL-REFUSAL REVERSED
Tuesday, August 3, 2004EXPARTE APPEAL TERMINATED
Tuesday, August 3, 2004EXPARTE APPEAL TERMINATED
Tuesday, August 3, 2004APPROVED FOR PUB - PRINCIPAL REGISTER
Thursday, August 5, 2004ASSIGNED TO LIE
Monday, August 23, 2004ASSIGNED TO LIE
Friday, September 24, 2004LAW OFFICE PUBLICATION REVIEW COMPLETED
Wednesday, March 9, 2005NOTICE OF PUBLICATION
Tuesday, March 29, 2005PUBLISHED FOR OPPOSITION
Tuesday, June 21, 2005NOA MAILED - SOU REQUIRED FROM APPLICANT
Monday, September 12, 2005PAPER RECEIVED
Monday, September 12, 2005USE AMENDMENT FILED
Saturday, April 8, 2006STATEMENT OF USE PROCESSING COMPLETE
Tuesday, April 25, 2006ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
Friday, April 28, 2006ASSIGNED TO LIE
Monday, May 1, 2006LAW OFFICE REGISTRATION REVIEW COMPLETED
Tuesday, June 13, 2006REGISTERED-PRINCIPAL REGISTER
Tuesday, July 12, 2011TEAS SECTION 8 & 15 RECEIVED
Monday, August 22, 2011CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Tuesday, August 23, 2011REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Tuesday, August 23, 2011NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
Wednesday, February 27, 2013AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Saturday, June 13, 2015COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Tuesday, June 30, 2015TEAS SECTION 8 & 9 RECEIVED
Friday, July 24, 2015CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Friday, July 24, 2015REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Friday, July 24, 2015REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Friday, July 24, 2015NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Wednesday, April 12, 2017AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Friday, June 13, 2025COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Monday, June 23, 2025TEAS SECTION 8 & 9 RECEIVED
Wednesday, June 25, 2025ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Thursday, July 10, 2025AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Tuesday, October 14, 2025CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Tuesday, October 14, 2025REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Tuesday, October 14, 2025REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
Tuesday, October 14, 2025NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Related Keywords

immuknow laboratory clinical medical reagents function composed lymphocyte test diagnostic kits