TrademarkDir
SILFEX
LIVE

Serial Number

77667696

Owner

Lam Research Corporation

Attorney

Duy Thai

First Use Date

Feb 8, 2010

Filing Date

Feb 10, 2009

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SILFEX Trademark

Serial Number: 77667696 • Registration: 3981941

SILFEX is a trademark filed by Lam Research Corporation on February 10, 2009. The trademark is classified under Class 1 (Chemicals), Class 9 (Computers & Electronics). The application is currently registered and active.

Owner Contact Info

Lam Research Corporation (232 trademarks)

Santa Clara, CA 95050

Entity Type: 03

Trademark Details

Filing Date

February 10, 2009

Registration Date

June 21, 2011

First Use Anywhere

February 8, 2010

First Use in Commerce

February 8, 2010

Published for Opposition

January 12, 2010

Goods & Services

Silicon solar cell material for electricity generation; Silicon wafers; Bonded silicon assemblies for use in semiconductor manufacturing; Optical devices incorporating silicon and silicon carbide, namely, silicon mirrors, silicon lenses, and silicon windows; Silicon mirrors; Silicon targets; Optical transmission devices, namely, silicon mirrors, silicon lenses, silicon windows

Pure non-metallic silicon sold in ingots, slices, loose aggregate chunks; Silicon; Silicon carbide

Filing History

TEAS CHANGE OF CORRESPONDENCE RECEIVED
Sep 23, 2024 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Sep 23, 2024 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Sep 23, 2024 REAP
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Sep 23, 2024 CHAN
TEAS CHANGE OF OWNER ADDRESS RECEIVED
Sep 23, 2024 COAR
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Jun 5, 2023 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Jun 5, 2023 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Jun 5, 2023 REAP
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Nov 3, 2021 NA89
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Nov 3, 2021 RNL1
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Nov 3, 2021 89AG
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Nov 3, 2021 APRE
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Aug 4, 2021 CHAN
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Aug 4, 2021 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Aug 4, 2021 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Aug 4, 2021 REAP
TEAS CHANGE OF OWNER ADDRESS RECEIVED
Aug 4, 2021 COAR
TEAS SECTION 8 & 9 RECEIVED
Jun 21, 2021 E89R
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Jun 18, 2021 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Jun 18, 2021 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Jun 18, 2021 REAP
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Jun 21, 2020 REM2
NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
Aug 14, 2017 NA85
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Aug 14, 2017 C15A
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Aug 14, 2017 APRE
TEAS SECTION 8 & 15 RECEIVED
Jul 7, 2017 E815
REGISTERED-PRINCIPAL REGISTER
Jun 21, 2011 R.PR
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
May 14, 2011 SUNA
LAW OFFICE REGISTRATION REVIEW COMPLETED
May 13, 2011 REGV
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
May 6, 2011 CNPR
STATEMENT OF USE PROCESSING COMPLETE
May 2, 2011 SUPC
USE AMENDMENT FILED
Apr 28, 2011 IUAF
TEAS STATEMENT OF USE RECEIVED
Apr 28, 2011 EISU
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Apr 7, 2011 EXRA
SOU EXTENSION 2 GRANTED
Apr 6, 2011 EX2G
CASE ASSIGNED TO INTENT TO USE PARALEGAL
Apr 6, 2011 AITU
SOU EXTENSION 2 FILED
Apr 5, 2011 EXT2
SOU TEAS EXTENSION RECEIVED
Apr 5, 2011 EEXT
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Oct 6, 2010 EXRA
SOU EXTENSION 1 GRANTED
Oct 4, 2010 EX1G
SOU EXTENSION 1 FILED
Oct 4, 2010 EXT1
SOU TEAS EXTENSION RECEIVED
Oct 4, 2010 EEXT
NOA MAILED - SOU REQUIRED FROM APPLICANT
Apr 6, 2010 NOAM
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Jan 12, 2010 NPUB
PUBLISHED FOR OPPOSITION
Jan 12, 2010 PUBO
LAW OFFICE PUBLICATION REVIEW COMPLETED
Dec 8, 2009 PREV
ASSIGNED TO LIE
Dec 8, 2009 ALIE
APPROVED FOR PUB - PRINCIPAL REGISTER
Nov 20, 2009 CNSA
EXAMINER'S AMENDMENT ENTERED
Nov 18, 2009 XAEC
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
Nov 18, 2009 GNEN
EXAMINERS AMENDMENT E-MAILED
Nov 18, 2009 GNEA
EXAMINERS AMENDMENT -WRITTEN
Nov 18, 2009 CNEA
TEAS/EMAIL CORRESPONDENCE ENTERED
Oct 28, 2009 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Oct 27, 2009 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
Oct 27, 2009 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
May 7, 2009 GNRN
NON-FINAL ACTION E-MAILED
May 7, 2009 GNRT
NON-FINAL ACTION WRITTEN
May 7, 2009 CNRT
ASSIGNED TO EXAMINER
Apr 29, 2009 DOCK
NOTICE OF PSEUDO MARK MAILED
Feb 14, 2009 MPMK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Feb 13, 2009 NWOS

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