Trademark: 77667696
Word
SILFEX
Status
Registered
Status Code
800
Status Date
Wednesday, November 3, 2021
Serial Number
77667696
Registration Number
3981941
Registration Date
Tuesday, June 21, 2011
Mark Type
4000
Filing Date
Tuesday, February 10, 2009
Published for Opposition
Tuesday, January 12, 2010

Trademark Owner History
Lam Research Corporation - Original Registrant

Classifications
9 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
1 Pure non-metallic silicon sold in ingots, slices, loose aggregate chunks; Silicon; Silicon carbide
SILICON FEX

Trademark Events
Jun 5, 2023
Teas Change Of Correspondence Received
Jun 5, 2023
Attorney/Dom.Rep.Revoked And/Or Appointed
Jun 5, 2023
Teas Revoke/App/Change Addr Of Atty/Dom Rep Received
Nov 3, 2021
Notice Of Acceptance Of Sec. 8 & 9 - E-Mailed
Nov 3, 2021
Registered And Renewed (First Renewal - 10 Yrs)
Nov 3, 2021
Registered - Sec. 8 (10-Yr) Accepted/Sec. 9 Granted
Nov 3, 2021
Case Assigned To Post Registration Paralegal
Aug 4, 2021
Applicant/Correspondence Changes (Non-Responsive) Entered
Aug 4, 2021
Teas Change Of Correspondence Received
Aug 4, 2021
Attorney/Dom.Rep.Revoked And/Or Appointed
Aug 4, 2021
Teas Revoke/App/Change Addr Of Atty/Dom Rep Received
Aug 4, 2021
Teas Change Of Owner Address Received
Jun 21, 2021
Teas Section 8 & 9 Received
Jun 18, 2021
Teas Change Of Correspondence Received
Jun 18, 2021
Attorney/Dom.Rep.Revoked And/Or Appointed
Jun 18, 2021
Teas Revoke/App/Change Addr Of Atty/Dom Rep Received
Jun 21, 2020
Courtesy Reminder - Sec. 8 (10-Yr)/Sec. 9 E-Mailed
Aug 14, 2017
Notice Of Acceptance Of Sec. 8 & 15 - E-Mailed
Aug 14, 2017
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.
Aug 14, 2017
Case Assigned To Post Registration Paralegal
Jul 7, 2017
Teas Section 8 & 15 Received
Jun 21, 2011
Registered-Principal Register
May 14, 2011
Notice Of Acceptance Of Statement Of Use E-Mailed
May 13, 2011
Law Office Registration Review Completed
May 6, 2011
Allowed Principal Register - Sou Accepted
May 2, 2011
Statement Of Use Processing Complete
Apr 28, 2011
Use Amendment Filed
Apr 28, 2011
Teas Statement Of Use Received
Apr 7, 2011
Notice Of Approval Of Extension Request E-Mailed
Apr 6, 2011
Sou Extension 2 Granted
Apr 5, 2011
Sou Extension 2 Filed
Apr 6, 2011
Case Assigned To Intent To Use Paralegal
Apr 5, 2011
Teas Extension Received
Oct 6, 2010
Notice Of Approval Of Extension Request E-Mailed
Oct 4, 2010
Sou Extension 1 Granted
Oct 4, 2010
Sou Extension 1 Filed
Oct 4, 2010
Teas Extension Received
Apr 6, 2010
Noa Mailed - Sou Required From Applicant
Jan 12, 2010
Official Gazette Publication Confirmation E-Mailed
Jan 12, 2010
Published For Opposition
Dec 8, 2009
Law Office Publication Review Completed
Dec 8, 2009
Assigned To Lie
Nov 20, 2009
Approved For Pub - Principal Register
Nov 18, 2009
Examiner's Amendment Entered
Nov 18, 2009
Notification Of Examiners Amendment E-Mailed
Nov 18, 2009
Examiners Amendment E-Mailed
Nov 18, 2009
Examiners Amendment -Written
Oct 28, 2009
Teas/Email Correspondence Entered
Oct 27, 2009
Correspondence Received In Law Office
Oct 27, 2009
Teas Response To Office Action Received
May 7, 2009
Notification Of Non-Final Action E-Mailed
May 7, 2009
Non-Final Action E-Mailed
May 7, 2009
Non-Final Action Written
Apr 29, 2009
Assigned To Examiner
Feb 14, 2009
Notice Of Pseudo Mark Mailed
Feb 13, 2009
New Application Office Supplied Data Entered

Trademark Alertz updated from USPTO on 2030-01-24