Who owns the U-KNOW trademark?

The U-KNOW trademark is owned by Fun In 5Th Grade.

What class is the U-KNOW trademark registered in?

The U-KNOW trademark is registered in Class 028 (Games, toys & sporting goods).

What is the serial number for U-KNOW?

The USPTO serial number for U-KNOW is 86858389.

What is the registration number for U-KNOW?

U-KNOW is registered under USPTO registration number 5080621.

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Home Search: U-KNOWU-KNOW #86858389

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Updated Oct 19, 2026·11 searches this week

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UKN

USPTO Trademark Record

REGISTERED

U-KNOW

SN 86858389·Reg 5080621·Filed Dec 28, 2015

Owner Fun In 5Th Grade

Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.

U-KNOW (Serial No. 86858389), Registration No. 5080621, is a registered US trademark filed on Dec 28, 2015 by Fun In 5Th Grade. This trademark covers Class 028 (Games, toys & sporting goods).

Section 8/9 declaration window: November 17, 2036

Mark Intelligence

U-KNOW (Reg. #5080621) is a registered US trademark that has been protecting its owner, Fun In 5Th Grade, since 2015. The mark covers Class 028 (Games, toys & sporting goods). Goods and services include Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.. The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 28, 2015

SERIAL

86858389

REG#

5080621

REGISTERED

Nov 15, 2016

Filing Information

StatusREGISTERED

Filing DateDec 28, 2015

Serial Number86858389

Registration No.5080621

Registration DateNov 15, 2016

Status DateMar 13, 2026

Published for OppositionAug 30, 2016

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 028Games, toys & sporting goods

US codes: 022, 023, 038, 050

First use anywhere: Mar 17, 2013

First use in commerce: Mar 17, 2013

Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.

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

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Status History

28 events

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Mar 13, 2026

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Mar 13, 2026

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Mar 13, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 09, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Dec 17, 2025

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Nov 15, 2025

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 04, 2022

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Oct 04, 2022

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Oct 04, 2022

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

TEAS SECTION 8 RECEIVED

Apr 25, 2022

TEAS SECTION 8 RECEIVED

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

Nov 15, 2021

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

REGISTERED-PRINCIPAL REGISTER

Nov 15, 2016

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Aug 30, 2016

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 30, 2016

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 10, 2016

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

LAW OFFICE PUBLICATION REVIEW COMPLETED

Jul 26, 2016

LAW OFFICE PUBLICATION REVIEW COMPLETED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 20, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 28, 2016

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 28, 2016

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Jun 23, 2016

ASSIGNED TO LIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 16, 2016

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION WRITTEN

Apr 21, 2016

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Apr 21, 2016

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 21, 2016

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Apr 14, 2016

ASSIGNED TO EXAMINER

NOTICE OF PSEUDO MARK E-MAILED

Jan 07, 2016

NOTICE OF PSEUDO MARK E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 06, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Dec 31, 2015

NEW APPLICATION ENTERED

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