Who owns the LEGAL OS trademark?

The LEGAL OS trademark is owned by Contract.one, Inc..

What class is the LEGAL OS trademark registered in?

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

What is the serial number for LEGAL OS?

The USPTO serial number for LEGAL OS is 88563435.

What is the registration number for LEGAL OS?

LEGAL OS is registered under USPTO registration number 6025917.

Sealvo

Home Search: LEGAL OSLEGAL OS #88563435

Back

Updated Sep 29, 2026·17 searches this week

View on USPTO TSDR Find similar marks

LEG

USPTO Trademark Record

REGISTERED

LEGAL OS

SN 88563435·Reg 6025917·Filed Aug 02, 2019

Owner Contract.one, 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.

LEGAL OS (Serial No. 88563435), Registration No. 6025917, is a registered US trademark filed on Aug 02, 2019 by Contract.one, Inc.. This trademark covers Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: April 01, 2030

Conflict Analysis

Full conflict analysis for LEGAL OS (SN 88563435) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

LEGAL OS (Reg. #6025917) is a registered US trademark that has been protecting its owner, Contract.one, Inc., since 2019. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research....

FILED

Aug 02, 2019

SERIAL

88563435

REG#

6025917

REGISTERED

Mar 31, 2020

Filing Information

StatusREGISTERED

Filing DateAug 02, 2019

Serial Number88563435

Registration No.6025917

Registration DateMar 31, 2020

Status DateAug 04, 2026

Next RenewalApril 01, 2030

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 Accepted

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Aug 02, 2019

First use in commerce: Aug 02, 2019

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

24 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 04, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Aug 04, 2026

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Aug 04, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

TEAS SECTION 8 RECEIVED

Jun 05, 2026

TEAS SECTION 8 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Mar 31, 2025

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

REGISTERED-SUPPLEMENTAL REGISTER

Mar 31, 2020

REGISTERED-SUPPLEMENTAL REGISTER

LAW OFFICE PUBLICATION REVIEW COMPLETED

Feb 27, 2020

LAW OFFICE PUBLICATION REVIEW COMPLETED

EXAMINER'S AMENDMENT ENTERED

Feb 24, 2020

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR REGISTRATION SUPPLEMENTAL REGISTER

Feb 24, 2020

APPROVED FOR REGISTRATION SUPPLEMENTAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Feb 21, 2020

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Feb 21, 2020

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Feb 21, 2020

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 03, 2020

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 03, 2020

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 03, 2020

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Jan 30, 2020

ASSIGNED TO LIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 27, 2020

TEAS RESPONSE TO OFFICE ACTION RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 27, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NON-FINAL ACTION WRITTEN

Sep 17, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Sep 17, 2019

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Sep 17, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Sep 11, 2019

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 21, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 06, 2019

NEW APPLICATION ENTERED

Other Marks by Contract.one, Inc.

Additional USPTO filings from the same owner.

CON

CONTRACT ONE

88481529

Contract.one, Inc.

REGISTERED

Other Marks in Class 042 — Scientific, technology & SaaS services

Recently filed and registered marks in the same international class.

98812535

Open Security, Inc.

REGISTERED

86251955

OUTSELL CORPORATION

REGISTERED

88182824

Open Security, Inc.

REGISTERED

LEG

LEGAL

73336191

LEGAL SEA FOODS, LLC

REGISTERED

LEGAL OS

Run a conflict check

Other Marks by Contract.one, Inc.

Other Marks in Class 042 — Scientific, technology & SaaS services

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company