SILFEX
Live / Registered — Registered and renewed (as of 03 Nov 2021)
What this means for you
Registered since 21 Jun 2011. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 21 Jun 2021).
Record
- Serial number
- 77667696
- Registration number
- 3981941
- Mark type
- Stylized text
- Filed
- 10 Feb 2009
- Published for opposition
- 12 Jan 2010
- Registered
- 21 Jun 2011
- Next maintenance due
- 21 Jun 2021
- Attorney of record
- Duy Thai
Goods and services
- Class 001 — Chemicals: Pure non-metallic silicon sold in ingots, slices, loose aggregate chunks; Silicon; Silicon carbide
- Class 009 — Scientific and electric apparatus: 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
Owner
- Lam Research Corporation, Fremont, CA, US
- Lam Research Corporation, Fremont, CA, US
- Lam Research Corporation, Fremont, CA, US
Prosecution history
- 23 Sept 2024 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 23 Sept 2024 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 23 Sept 2024 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 23 Sept 2024 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 23 Sept 2024 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 05 Jun 2023 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 05 Jun 2023 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 05 Jun 2023 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 03 Nov 2021 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 03 Nov 2021 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 03 Nov 2021 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 03 Nov 2021 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 04 Aug 2021 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 04 Aug 2021 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 04 Aug 2021 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED