Who owns the C trademark?

The C trademark is owned by CALPINE LLC.

What class is the C trademark registered in?

The C trademark is registered in Class 035 (Advertising, business management & retail services).

What is the serial number for C?

The USPTO serial number for C is 97980857.

What is the registration number for C?

C is registered under USPTO registration number 8026906.

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Updated Oct 7, 2026·32 searches this week

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USPTO Trademark Record

REGISTERED

C

SN 97980857·Reg 8026906·Filed Jan 27, 2022

Owner CALPINE LLC

Advertising; business management, organization and administration; office functions.

C (Serial No. 97980857), Registration No. 8026906, is a registered US trademark filed on Jan 27, 2022 by CALPINE LLC. This trademark covers Class 035 (Advertising, business management & retail services).

early section 8: November 18, 2031

Mark Intelligence

C (Reg. #8026906) is a registered US trademark that has been protecting its owner, CALPINE LLC, since 2022. The mark covers Class 035 (Advertising, business management & retail services). Goods and services include Advertising; business management, organization and administration; office functions.. The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 27, 2022

SERIAL

97980857

REG#

8026906

REGISTERED

Nov 18, 2025

Filing Information

StatusREGISTERED

Filing DateJan 27, 2022

Serial Number97980857

Registration No.8026906

Registration DateNov 18, 2025

Status DateNov 18, 2025

Published for OppositionOct 01, 2024

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

1693351

480Mar 31, 2022

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Dec 01, 2016

First use in commerce: Dec 01, 2016

Advertising; business management, organization and administration; office functions.

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

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Status History

59 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 28, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 28, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jul 28, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 28, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 28, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 25, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED-PRINCIPAL REGISTER

Nov 18, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Nov 18, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

DIVISIONAL PROCESSING COMPLETE

Oct 27, 2025

DIVISIONAL PROCESSING COMPLETE

1(B) BASIS DELETED; PROCEED TO REGISTRATION

Oct 27, 2025

1(B) BASIS DELETED; PROCEED TO REGISTRATION

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Sep 30, 2025

CASE ASSIGNED TO INTENT TO USE PARALEGAL

TEAS REQUEST TO DIVIDE RECEIVED

May 14, 2025

TEAS REQUEST TO DIVIDE RECEIVED

DIVISIONAL REQUEST RECEIVED

May 14, 2025

DIVISIONAL REQUEST RECEIVED

NOTICE OF ALLOWANCE CANCELLED

May 14, 2025

NOTICE OF ALLOWANCE CANCELLED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Nov 26, 2024

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Oct 01, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 01, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 11, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 29, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

EXPARTE APPEAL TERMINATED

Aug 29, 2024

EXPARTE APPEAL TERMINATED

EXPARTE APPEAL RECEIVED AT TTAB

Aug 08, 2024

EXPARTE APPEAL RECEIVED AT TTAB

JURISDICTION RESTORED TO EXAMINING ATTORNEY

Aug 08, 2024

JURISDICTION RESTORED TO EXAMINING ATTORNEY

EX PARTE APPEAL-INSTITUTED

Aug 08, 2024

EX PARTE APPEAL-INSTITUTED

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Aug 07, 2024

TEAS REQUEST FOR RECONSIDERATION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 07, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 07, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 11, 2024

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 11, 2024

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jul 11, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 11, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 11, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Apr 24, 2024

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Apr 24, 2024

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

FINAL REFUSAL WRITTEN

Feb 08, 2024

FINAL REFUSAL WRITTEN

FINAL REFUSAL E-MAILED

Feb 08, 2024

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Feb 08, 2024

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 10, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 09, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 09, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Oct 10, 2023

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Oct 10, 2023

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

NON-FINAL ACTION WRITTEN

Jul 10, 2023

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 10, 2023

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 10, 2023

NOTIFICATION OF NON-FINAL ACTION E-MAILED

PREVIOUS ALLOWANCE COUNT WITHDRAWN

Jul 05, 2023

PREVIOUS ALLOWANCE COUNT WITHDRAWN

WITHDRAWN FROM PUB - OG REVIEW QUERY

Jun 27, 2023

WITHDRAWN FROM PUB - OG REVIEW QUERY

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 08, 2023

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 08, 2023

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 08, 2023

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 08, 2023

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Nov 08, 2022

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Nov 08, 2022

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 08, 2022

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Nov 07, 2022

ASSIGNED TO EXAMINER

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

Jul 09, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 09, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 09, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 01, 2022

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jan 31, 2022

NEW APPLICATION ENTERED

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Additional USPTO filings from the same owner.

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CAL

CALPINE

76195597

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REGISTERED

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