TOPSWITCH

LIVE

Serial Number

74450929

Owner

Power Integrations, Inc.

Attorney

Ji Lei

First Use Date

Oct 27, 1993

Filing Date

Oct 25, 1993

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TOPSWITCH Trademark

Serial Number: 74450929 • Registration: 1852295

TOPSWITCH is a trademark filed by Power Integrations, Inc. on October 25, 1993. The trademark is classified under Class 9 (Computers & Electronics). The application is currently registered and active.

Trademark Classes

Class 9 - Computers & Electronics

Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments

Owner Contact Info

Power Integrations, Inc. (104 trademarks)

5245 Hellyer Ave.
San Jose, CA 95138

Entity Type: 03

Legal Representation

Attorney of Record

Ji Lei

47 trademarks filed View all →

Correspondence Address

Ji Lei Power Integrations, Inc.

5245 Hellyer Avenue

San Jose, CA 95138

United States

Trademark Details

Filing Date

October 25, 1993

Registration Date

September 6, 1994

First Use Anywhere

October 27, 1993

First Use in Commerce

October 27, 1993

Published for Opposition

June 14, 1994

Goods & Services

semiconductor devices for smart power applications; namely, integrated circuits for switched-mode power conversions; namely, power supplies, power factor correction, battery chargers, motor control, lighting and applications requiring pulse width modulated power devices

Filing History

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Jun 12, 2025 EWAF

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 12, 2025 TCCA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 12, 2025 ARAA

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

Jun 12, 2025 REAP

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

Mar 25, 2024 NA89

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Mar 25, 2024 RNL3

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

Mar 25, 2024 89AG

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 25, 2024 APRE

TEAS SECTION 8 & 9 RECEIVED

Oct 30, 2023 E89R

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

Sep 6, 2023 REM2

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 24, 2019 ARAA

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

May 24, 2019 REAP

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

Sep 6, 2014 NA89

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Sep 6, 2014 RNL2

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

Sep 6, 2014 89AG

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 6, 2014 APRE

TEAS SECTION 8 & 9 RECEIVED

Aug 22, 2014 E89R

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Feb 6, 2013 ASCK

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 9, 2009 ARAA

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

Sep 9, 2009 REAP

CASE FILE IN TICRS

Jul 26, 2007 CFIT

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jul 14, 2004 RNL1

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

Jul 14, 2004 89AG

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Apr 16, 2004 89AF

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

Aug 30, 2002 C15A

RESPONSE RECEIVED TO POST REG. ACTION - SEC. 8 & 15

Jun 12, 2001 PR23

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

Dec 5, 2000 PR23

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

Sep 8, 2000 815F

REGISTERED-PRINCIPAL REGISTER

Sep 6, 1994 R.PR

PUBLISHED FOR OPPOSITION

Jun 14, 1994 PUBO

NOTICE OF PUBLICATION

May 13, 1994 NPUB

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 25, 1994 CNSA

USE AMENDMENT ACCEPTED

Mar 25, 1994 IUAA

ASSIGNED TO EXAMINER

Mar 25, 1994 DOCK

ASSIGNED TO EXAMINER

Mar 4, 1994 DOCK

AMENDMENT TO USE PROCESSING COMPLETE

Feb 4, 1994 AUPC

USE AMENDMENT FILED

Dec 10, 1993 IUAF

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