Who owns the QUILLBOT trademark?

The QUILLBOT trademark is owned by LEARNEO, INC..

What class is the QUILLBOT trademark registered in?

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

What is the serial number for QUILLBOT?

The USPTO serial number for QUILLBOT is 88281259.

What is the registration number for QUILLBOT?

QUILLBOT is registered under USPTO registration number 6269158.

Sealvo

Home Search: QUILLBOTQUILLBOT #88281259

Back

Updated Oct 1, 2026·38 searches this week

View on USPTO TSDR Find similar marks

QUI

USPTO Trademark Record

REGISTERED

QUILLBOT

SN 88281259·Reg 6269158·Filed Jan 29, 2019

Owner LEARNEO, 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.

QUILLBOT (Serial No. 88281259), Registration No. 6269158, is a registered US trademark filed on Jan 29, 2019 by LEARNEO, INC.. This trademark covers Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: February 17, 2031

Conflict Analysis

Full conflict analysis for QUILLBOT (SN 88281259) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

QUILLBOT (Reg. #6269158) is a registered US trademark that has been protecting its owner, LEARNEO, 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.... The mark faced 4 opposition proceedings during prosecution.

FILED

Jan 29, 2019

SERIAL

88281259

REG#

6269158

REGISTERED

Feb 16, 2021

Filing Information

StatusREGISTERED

Filing DateJan 29, 2019

Serial Number88281259

Registration No.6269158

Registration DateFeb 16, 2021

Status DateMay 15, 2026

Published for OppositionJun 25, 2019

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

International Filings

Madrid Protocol1 filings

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

1836368

480Dec 11, 2024

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Dec 05, 2017

First use in commerce: Dec 05, 2017

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

39 events

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

May 15, 2026

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

May 15, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

May 11, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Feb 16, 2026

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

TEAS SECTION 8 & 15 RECEIVED

Feb 16, 2026

TEAS SECTION 8 & 15 RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 14, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 14, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Aug 14, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 14, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 14, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jan 25, 2023

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Sep 30, 2021

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Sep 30, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 30, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 30, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Sep 30, 2021

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Sep 29, 2021

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED-PRINCIPAL REGISTER

Feb 16, 2021

REGISTERED-PRINCIPAL REGISTER

ASSIGNMENT OF OWNERSHIP UPDATED MANUALLY

Jan 21, 2021

ASSIGNMENT OF OWNERSHIP UPDATED MANUALLY

OPPOSITION DISMISSED NO. 999999

Jan 12, 2021

OPPOSITION DISMISSED NO. 999999

OPPOSITION TERMINATED NO. 999999

Jan 12, 2021

OPPOSITION TERMINATED NO. 999999

TTAB RELEASE CASE TO TRADEMARKS

Jan 12, 2021

TTAB RELEASE CASE TO TRADEMARKS

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jun 10, 2020

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

OPPOSITION INSTITUTED NO. 999999

Oct 23, 2019

OPPOSITION INSTITUTED NO. 999999

PUBLISHED FOR OPPOSITION

Jun 25, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 25, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

EXTENSION OF TIME TO OPPOSE RECEIVED

Jun 25, 2019

EXTENSION OF TIME TO OPPOSE RECEIVED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 05, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

May 19, 2019

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

May 06, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Apr 18, 2019

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 18, 2019

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 18, 2019

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Apr 17, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Apr 17, 2019

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 17, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Apr 10, 2019

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 21, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Feb 01, 2019

NEW APPLICATION ENTERED

Other Marks by LEARNEO, INC.

Additional USPTO filings from the same owner.

BAR

BARTLEBY YOUR GUIDE TO BETTER LEARNING

88041169

LEARNEO, INC.

REGISTERED

LTL

LT LANGUAGETOOL YOUR WRITING ASSISTANT

98224787

Learneo, Inc.

REGISTERED

LAN

LANGUAGETOOL

98189172

Learneo, Inc.

REGISTERED

LEA

LEARNEO

97669971

LEARNEO, INC.

REGISTERED

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

Recently filed and registered marks in the same international class.

QUI

QUILLBOT

99719805

Learneo, Inc.

PENDING

QUI

QUILLBOT

99336854

Learneo, Inc.

PENDING

Other Marks by Phillip Barengolts

Additional USPTO filings handled by the same attorney of record.

POR

PORTAL

99159917

REGISTERED

RID

#RIDEGREEN

99594741

REGISTERED

FIN

FINISH

74576084

REGISTERED

LOG

LogoMark

86660986

REGISTERED

QUILLBOT

Run a conflict check

Other Marks by LEARNEO, INC.

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

Other Marks by Phillip Barengolts

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company