Who owns the PROKNOW trademark?

The PROKNOW trademark is owned by ELEKTA, INC..

What class is the PROKNOW trademark registered in?

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

What is the serial number for PROKNOW?

The USPTO serial number for PROKNOW is 87001937.

What is the registration number for PROKNOW?

PROKNOW is registered under USPTO registration number 5094950.

Sealvo

Home Search: PROKNOWPROKNOW #87001937

Back

Updated Sep 29, 2026·19 searches this week

View on USPTO TSDR Find similar marks

PRO

USPTO Trademark Record

REGISTERED

PROKNOW

SN 87001937·Reg 5094950·Filed Apr 15, 2016

Owner ELEKTA, 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.

PROKNOW (Serial No. 87001937), Registration No. 5094950, is a registered US trademark filed on Apr 15, 2016 by ELEKTA, INC.. This trademark covers Class 042 (Scientific, technology & SaaS services).

renewal 10y period: December 07, 202668 days remaining

Conflict Analysis

Full conflict analysis for PROKNOW (SN 87001937) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

PROKNOW (Reg. #5094950) is a registered US trademark that has been protecting its owner, ELEKTA, INC., since 2016. 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 1 opposition proceeding during prosecution.

FILED

Apr 15, 2016

SERIAL

87001937

REG#

5094950

REGISTERED

Dec 06, 2016

Filing Information

StatusREGISTERED

Filing DateApr 15, 2016

Serial Number87001937

Registration No.5094950

Registration DateDec 06, 2016

Status DateMay 30, 2023

Published for OppositionSep 20, 2016

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Feb 03, 2016

First use in commerce: Apr 15, 2016

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

31 events

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

Dec 06, 2025

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

May 30, 2023

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

May 30, 2023

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

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

May 30, 2023

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

TEAS SECTION 8 & 15 RECEIVED

Nov 17, 2022

TEAS SECTION 8 & 15 RECEIVED

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

Dec 06, 2021

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Mar 29, 2021

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Mar 29, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 29, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 29, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Mar 29, 2021

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 17, 2021

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jul 24, 2019

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED-PRINCIPAL REGISTER

Dec 06, 2016

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Sep 20, 2016

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 20, 2016

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 31, 2016

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

LAW OFFICE PUBLICATION REVIEW COMPLETED

Aug 17, 2016

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Aug 04, 2016

ASSIGNED TO LIE

EXAMINERS AMENDMENT -WRITTEN

Jul 25, 2016

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jul 25, 2016

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jul 25, 2016

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jul 25, 2016

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 25, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jul 13, 2016

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Jul 13, 2016

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 13, 2016

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 13, 2016

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NOTICE OF PSEUDO MARK E-MAILED

Apr 21, 2016

NOTICE OF PSEUDO MARK E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 20, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Apr 19, 2016

NEW APPLICATION ENTERED

Other Marks by ELEKTA, INC.

Additional USPTO filings from the same owner.

ECH

ECHART

75650681

ELEKTA, INC.

REGISTERED

PPR

P PROKNOW

87001970

ELEKTA, INC.

REGISTERED

MET

METRIQ

78493507

ELEKTA, INC.

REGISTERED

MOS

MOSAIQ

78493508

ELEKTA, INC.

REGISTERED

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

Recently filed and registered marks in the same international class.

PRO

PROKNOW

78822642

VANTIV, LLC

ABANDONED

PPR

P PROKNOW

87001970

ELEKTA, INC.

REGISTERED

PRO

PROKNOW UNITED

88158186

Proknow, LLC.

ABANDONED

Other Marks by Carla B. Oakley

Additional USPTO filings handled by the same attorney of record.

ISO

ISOSAMPLER

97870716

REGISTERED

MET

METALPAY

87792642

REGISTERED

MUL

MULTIPLYLABS

97188511

REGISTERED

SPR

SPRQ

98978380

REGISTERED

PROKNOW

Run a conflict check

Other Marks by ELEKTA, INC.

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

Other Marks by Carla B. Oakley

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company