GD-CALC
Live / Registered — Registered and renewed (as of 18 Aug 2026)
What this means for you
Registered since 22 Aug 2006. 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 22 Aug 2026).
Record
- Serial number
- 78721817
- Registration number
- 3133031
- Mark type
- Stylized text
- Filed
- 27 Sept 2005
- Published for opposition
- 30 May 2006
- Registered
- 22 Aug 2006
- Next maintenance due
- 22 Aug 2026
Goods and services
- Class 009 — Scientific and electric apparatus: Software for calculating diffraction efficiencies of optical media
Owner
- Johnson, Ken, Santa Clara, CA, US
- Johnson, Ken, Santa Clara, CA, US
- Johnson, Ken, Santa Clara, CA, US
Prosecution history
- 18 Aug 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 18 Aug 2026 — REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
- 18 Aug 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 18 Aug 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 22 Jun 2026 — TEAS SECTION 8 & 9 RECEIVED
- 22 Aug 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 30 Aug 2016 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 30 Aug 2016 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 30 Aug 2016 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 30 Aug 2016 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 07 Jun 2016 — TEAS SECTION 8 & 9 RECEIVED
- 07 Jun 2016 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 22 Aug 2015 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 19 Mar 2012 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 19 Mar 2012 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.