Who owns the CELLIGO trademark?

The CELLIGO trademark is owned by HIFIBIO INC..

What class is the CELLIGO trademark registered in?

The CELLIGO trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for CELLIGO?

The USPTO serial number for CELLIGO is 79231309.

What is the registration number for CELLIGO?

CELLIGO is registered under USPTO registration number 6218816.

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Section 8 declaration window

December 15, 2026

42 days remaining

CEL

CELLIGO

REGISTERED

Serial: 79231309
Reg: 6218816
Filed: Dec 11, 2017
Owner: HIFIBIO INC.

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 042Scientific, technology & SaaS services

US codes: 100, 101

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

Status History

47 events

CHANGE OF OWNER RECEIVED FROM IB

May 28, 2026

Code CHLD

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 16, 2026

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 16, 2026

Code CHAN

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

Feb 16, 2026

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 16, 2026

Code ARAA

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

Feb 16, 2026

Code EWOR

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Feb 16, 2026

Code ECDR

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 16, 2026

Code TCCA

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

Dec 15, 2025

Code REM3

FINAL DECISION TRANSACTION PROCESSED BY IB

Apr 04, 2021

Code FINO

FINAL DISPOSITION PROCESSED

Mar 17, 2021

Code FIMP

FINAL DISPOSITION NOTICE SENT TO IB

Mar 17, 2021

Code FICS

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Mar 15, 2021

Code FICR

REGISTERED-PRINCIPAL REGISTER

Dec 15, 2020

Code R.PR

OPPOSITION DISMISSED NO. 999999

Nov 07, 2020

Code OP.D

OPPOSITION TERMINATED NO. 999999

Nov 07, 2020

Code OP.T

TTAB RELEASE CASE TO TRADEMARKS

Nov 07, 2020

Code TMBN

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Oct 25, 2019

Code OPNX

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Oct 09, 2019

Code OPNR

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Oct 09, 2019

Code OPNS

REFUSAL PROCESSED BY IB

Jan 05, 2019

Code RFNP

OPPOSITION INSTITUTED NO. 999999

Dec 18, 2018

Code OP.I

OPPOSITION NOTICE (IB REFUSAL) CREATED

Dec 12, 2018

Code OPNC

OPPOSITION NOTICE (IB REFUSAL) SENT TO IB

Dec 12, 2018

Code OPNS

EXTENSION OF TIME TO OPPOSE RECEIVED

Sep 14, 2018

Code ETOF

PUBLISHED FOR OPPOSITION

Aug 21, 2018

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 21, 2018

Code NPUB

NOTIFICATION PROCESSED BY IB

Aug 17, 2018

Code GPNX

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

Aug 01, 2018

Code OP2R

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 01, 2018

Code NONP

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Aug 01, 2018

Code OPNS

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 17, 2018

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 17, 2018

Code TEME

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 17, 2018

Code CNSA

ASSIGNED TO LIE

Jul 13, 2018

Code ALIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 02, 2018

Code TROA

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

Jun 26, 2018

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 26, 2018

Code ARAA

REFUSAL PROCESSED BY IB

Jun 02, 2018

Code RFNT

REFUSAL PROCESSED BY MPU

May 16, 2018

Code RFRR

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

May 16, 2018

Code RFCS

APPLICATION FILING RECEIPT MAILED

May 12, 2018

Code MAFR

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

May 09, 2018

Code RFCR

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 08, 2018

Code NWOS

ASSIGNED TO EXAMINER

May 08, 2018

Code DOCK

NON-FINAL ACTION WRITTEN

May 08, 2018

Code CNRT

SN ASSIGNED FOR SECT 66A APPL FROM IB

May 03, 2018

Code REPR

CELLIGO

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