EXOS

What this means for you

Registered since 15 Oct 2019. 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 15 Oct 2029: the §8 & §9 renewal).

Record

Serial number

87501934

Registration number

5885839

Mark type

Word mark

Filed

22 Jun 2017

Published for opposition

31 Oct 2017

Registered

15 Oct 2019

Next maintenance filing

§8 & §9 renewal, due by 15 Oct 2029 (grace period to 15 Apr 2030)

Attorney of record

Andrea L. Calvaruso

Goods and services

• Class 009 — Scientific and electric apparatus: Software for the operation and management of telecommunications networks; operating system software for telecommunications hardware

Owner

• Calix, Inc., San Jose, CA, US
• Calix, Inc., San Jose, CA, US
• Calix, Inc., Petaluma, CA, US

Prior registrations

• Registration 5120659

Board proceedings on this mark

• Extension of Time to Oppose No. 87501934 — ServiceLink IP Holding Company, LLC v. Calix, Inc., filed 28 Nov 2017 (Terminated)

Prosecution history

• 02 May 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
• 02 May 2026 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
• 13 Feb 2026 — TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
• 21 Jan 2026 — POST REGISTRATION ACTION MAILED - SEC. 8 & 15
• 21 Jan 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
• 15 Oct 2025 — TEAS SECTION 8 & 15 RECEIVED
• 15 Oct 2024 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
• 31 Mar 2022 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
• 31 Mar 2022 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
• 31 Mar 2022 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
• 16 Oct 2020 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
• 16 Oct 2020 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
• 16 Oct 2020 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
• 16 Oct 2020 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
• 16 Oct 2020 — TEAS CHANGE OF OWNER ADDRESS RECEIVED