Who owns the CELLFX trademark?

The CELLFX trademark is owned by Pulse Biosciences, Inc..

What class is the CELLFX trademark registered in?

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

What is the serial number for CELLFX?

The USPTO serial number for CELLFX is 88415240.

What is the registration number for CELLFX?

CELLFX is registered under USPTO registration number 5981292.

Sealvo

Home Search: CELLFXCELLFX #88415240

Back

Updated Oct 7, 2026·35 searches this week

View on USPTO TSDR Find similar marks

CEL

USPTO Trademark Record

REGISTERED

CELLFX

SN 88415240·Reg 5981292·Filed May 03, 2019

Owner Pulse Biosciences, 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.

CELLFX (Serial No. 88415240), Registration No. 5981292, is a registered US trademark filed on May 03, 2019 by Pulse Biosciences, Inc.. This trademark covers Class 010 (Surgical, medical, dental & veterinary apparatus).

Section 8/9 declaration window: February 11, 2030

Mark Intelligence

CELLFX (Reg. #5981292) is a registered US trademark that has been protecting its owner, Pulse Biosciences, Inc., since 2019. 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

May 03, 2019

SERIAL

88415240

REG#

5981292

REGISTERED

Feb 11, 2020

Filing Information

StatusREGISTERED

Filing DateMay 03, 2019

Serial Number88415240

Registration No.5981292

Registration DateFeb 11, 2020

Status DateOct 26, 2025

Published for OppositionNov 26, 2019

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

International Filings

Madrid Protocol1 filings

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

1518061

480Nov 01, 2019

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 010Surgical, medical, dental & veterinary apparatus

US codes: 026, 039, 044

First use anywhere: Mar 06, 2019

First use in commerce: Mar 06, 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

21 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 26, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Oct 26, 2025

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

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

Oct 26, 2025

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

TEAS SECTION 8 & 15 RECEIVED

Jun 25, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Feb 11, 2025

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

REGISTERED-PRINCIPAL REGISTER

Feb 11, 2020

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Nov 26, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 26, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Nov 06, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 18, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 10, 2019

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 10, 2019

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Oct 06, 2019

ASSIGNED TO LIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 28, 2019

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION WRITTEN

Jul 17, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 17, 2019

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 17, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jul 16, 2019

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

May 21, 2019

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 20, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 07, 2019

NEW APPLICATION ENTERED

Other Marks by Pulse Biosciences, Inc.

Additional USPTO filings from the same owner.

VYB

VYBRANCE

99191527

Pulse Biosciences, Inc.

REGISTERED

86973886

PULSE BIOSCIENCES, INC.

REGISTERED

PPU

P PULSE BIOSCIENCES

87031656

PULSE BIOSCIENCES, INC.

REGISTERED

CEL

CELLFX

87982083

PULSE BIOSCIENCES, INC.

REGISTERED

Other Marks in Class 010 — Surgical, medical, dental & veterinary apparatus

Recently filed and registered marks in the same international class.

CEL

CELLFX

87982083

PULSE BIOSCIENCES, INC.

REGISTERED

CEL

CELLFX NSPFA

98386276

Pulse Biosciences, Inc.

REGISTERED

Other Marks by Lena Vinitskaya

Additional USPTO filings handled by the same attorney of record.

PUR

PURE KIND

99148048

REGISTERED

VYB

VYBRANCE

99191527

REGISTERED

86973886

REGISTERED

PPU

P PULSE BIOSCIENCES

87031656

REGISTERED

CELLFX

Run a conflict check

Other Marks by Pulse Biosciences, Inc.

Other Marks in Class 010 — Surgical, medical, dental & veterinary apparatus

Other Marks by Lena Vinitskaya

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company