Who owns the TANDEMHEART trademark?

The TANDEMHEART trademark is owned by CARDIACASSIST, INC..

What class is the TANDEMHEART trademark registered in?

The TANDEMHEART trademark is registered in Class 010 (Surgical, medical, dental & veterinary apparatus).

What is the serial number for TANDEMHEART?

The USPTO serial number for TANDEMHEART is 76124838.

What is the registration number for TANDEMHEART?

TANDEMHEART is registered under USPTO registration number 2884588.

Sealvo

Home Search: TANDEMHEARTTANDEMHEART #76124838

Back

Updated Sep 19, 2026·35 searches this week

View on USPTO TSDR Find similar marks

TAN

USPTO Trademark Record

REGISTERED

TANDEMHEART

SN 76124838·Reg 2884588·Filed Sep 08, 2000

Owner CARDIACASSIST, INC.

Surgical, medical, dental and veterinary apparatus and instruments; artificial limbs, eyes and teeth; spectacles, contact lenses and sunglasses; orthopaedic articles; suture materials; therapeutic and assistive devices adapted for persons with disabilities; massage apparatus; apparatus, devices and articles for nursing infants; sexual activity apparatus, devices and articles.

TANDEMHEART (Serial No. 76124838), Registration No. 2884588, is a registered US trademark filed on Sep 08, 2000 by CARDIACASSIST, INC.. This trademark covers Class 010 (Surgical, medical, dental & veterinary apparatus).

Section 8/9 declaration window: September 14, 2034

Conflict Analysis

Full conflict analysis for TANDEMHEART (SN 76124838) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

TANDEMHEART (Reg. #2884588) is a registered US trademark that has been protecting its owner, CARDIACASSIST, INC., since 2000. The mark covers Class 010 (Surgical, medical, dental & veterinary apparatus). Goods and services include Surgical, medical, dental and veterinary apparatus and instruments; artificial limbs, eyes and teeth; spectacles, contac.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 08, 2000

SERIAL

76124838

REG#

2884588

REGISTERED

Sep 14, 2004

Filing Information

StatusREGISTERED

Filing DateSep 08, 2000

Serial Number76124838

Registration No.2884588

Registration DateSep 14, 2004

Status DateNov 30, 2024

Published for OppositionOct 07, 2003

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 010Surgical, medical, dental & veterinary apparatus

US codes: 026, 039, 044

First use anywhere: Mar 27, 2002

First use in commerce: Mar 27, 2002

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 30, 2024

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Nov 30, 2024

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Nov 30, 2024

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Nov 30, 2024

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

TEAS SECTION 8 & 9 RECEIVED

Aug 27, 2024

TEAS SECTION 8 & 9 RECEIVED

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

Sep 14, 2023

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

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jan 27, 2021

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jun 24, 2020

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jun 18, 2020

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 04, 2019

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Apr 04, 2019

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 10, 2014

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jul 10, 2014

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jul 10, 2014

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Jul 10, 2014

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

TEAS SECTION 8 & 9 RECEIVED

Jun 27, 2014

TEAS SECTION 8 & 9 RECEIVED

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

Mar 11, 2010

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 10, 2010

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

PAPER RECEIVED

Sep 23, 2009

PAPER RECEIVED

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Sep 23, 2009

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

REGISTERED-PRINCIPAL REGISTER

Sep 14, 2004

REGISTERED-PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jul 06, 2004

ASSIGNED TO EXAMINER

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jul 06, 2004

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

STATEMENT OF USE PROCESSING COMPLETE

Jul 01, 2004

STATEMENT OF USE PROCESSING COMPLETE

PAPER RECEIVED

May 24, 2004

PAPER RECEIVED

USE AMENDMENT FILED

May 24, 2004

USE AMENDMENT FILED

NOA MAILED - SOU REQUIRED FROM APPLICANT

Dec 30, 2003

NOA MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Oct 07, 2003

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Sep 17, 2003

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 17, 2003

APPROVED FOR PUB - PRINCIPAL REGISTER

CASE FILE IN TICRS

Aug 13, 2003

CASE FILE IN TICRS

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 24, 2003

CORRESPONDENCE RECEIVED IN LAW OFFICE

PAPER RECEIVED

Jul 24, 2003

PAPER RECEIVED

NON-FINAL ACTION MAILED

Jan 27, 2003

NON-FINAL ACTION MAILED

PAPER RECEIVED

Sep 19, 2002

PAPER RECEIVED

ASSIGNED TO EXAMINER

Mar 15, 2002

ASSIGNED TO EXAMINER

LETTER OF SUSPENSION MAILED

Jan 29, 2001

LETTER OF SUSPENSION MAILED

ASSIGNED TO EXAMINER

Jan 24, 2001

ASSIGNED TO EXAMINER

Jan 24, 2001

ASSIGNED TO EXAMINER

Other Marks by CARDIACASSIST, INC.

Additional USPTO filings from the same owner.

PRO

PROTEK SOLO

86934714

CardiacAssist, Inc.

REGISTERED

VOY

VOYAGERVEST

86842315

CardiacAssist, Inc.

REGISTERED

PRO

PROTEK DUO

86934746

CardiacAssist, Inc.

REGISTERED

TAN

TANDEMLUNG

86346986

CardiacAssist, Inc.

REGISTERED

Other Marks by Danielle I. Mattessich

Additional USPTO filings handled by the same attorney of record.

EIC

EICKHOF

86718571

REGISTERED

CHE

CHECKXPERT.AI

88350176

REGISTERED

LEN

LENZING

76576461

REGISTERED

SMA

SMART CHART

87411702

REGISTERED

TANDEMHEART

Run a conflict check

Other Marks by CARDIACASSIST, INC.

Other Marks by Danielle I. Mattessich

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company