Who owns the C3 trademark?

The C3 trademark is owned by Computational Chemistry, LLC.

What is the serial number for C3?

The USPTO serial number for C3 is 90280922.

What is the registration number for C3?

C3 is registered under USPTO registration number 6445529.

Sealvo

Home Search: C3C3 #90280922

Back

Updated Sep 25, 2026·20 searches this week

View on USPTO TSDR Find similar marks

USPTO Trademark Record

REGISTERED

C3

Q: What class is the C3 trademark registered in?

The C3 trademark is registered in Class 035 (Advertising, business management & retail services), Class 036 (Insurance, financial & real estate services), Class 042 (Scientific, technology & SaaS services).

SN 90280922·Reg 6445529·Filed Oct 27, 2020

Owner Computational Chemistry, LLC

Advertising; business management, organization and administration; office functions.; Financial, monetary and banking services; insurance services; real estate services.; 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.

C3 (Serial No. 90280922), Registration No. 6445529, is a registered US trademark filed on Oct 27, 2020 by Computational Chemistry, LLC. This trademark covers Class 035 (Advertising, business management & retail services), Class 036 (Insurance, financial & real estate services), Class 042 (Scientific, technology & SaaS services).

Renewal window:

Conflict Analysis

Full conflict analysis for C3 (SN 90280922) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

C3 (Reg. #6445529) is a registered US trademark that has been protecting its owner, Computational Chemistry, LLC, since 2020. The mark covers Class 035 (Advertising, business management & retail services), Class 036 (Insurance, financial & real estate services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Financial, monetary and banking se.... The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 27, 2020

SERIAL

90280922

REG#

6445529

REGISTERED

Aug 10, 2021

Filing Information

StatusREGISTERED

Filing DateOct 27, 2020

Serial Number90280922

Registration No.6445529

Registration DateAug 10, 2021

Status DateAug 10, 2021

Published for OppositionMay 25, 2021

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: May 03, 2016

First use in commerce: May 03, 2016

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

Class 036Insurance, financial & real estate services

US codes: 100, 101, 102

First use anywhere: May 03, 2016

First use in commerce: May 03, 2016

Financial, monetary and banking services; insurance services; real estate services.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: May 03, 2016

First use in commerce: May 03, 2016

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.

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