FLEXBOOK PLATFORM

What this means for you

Registered since 15 Mar 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 15 Mar 2031: the §8 & §9 renewal).

Record

Serial number

77264139

Registration number

3931325

Mark type

Word mark

Filed

24 Aug 2007

Published for opposition

06 May 2008

Registered

15 Mar 2011

Current term from

15 Mar 2021

Next maintenance filing

§8 & §9 renewal, due by 15 Mar 2031 (grace period to 15 Sept 2031)

Attorney of record

Sarah E. Bro

Goods and services

• Class 009 — Scientific and electric apparatus: Educational software used in conjunction with textbooks based on curriculum standards and pedagogical outcomes featuring instruction in math, reading, and science
• Class 041 — Education and entertainment services: Educational services, namely, providing courses of instruction in the field of math, reading, and science

Owner

• CK-12 Foundation, Menlo Park, CA, US
• CK-12 Foundation, San Jose, CA, US
• CK-12 Foundation, San Jose, CA, US

Prosecution history

• 12 Oct 2026 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
• 12 Oct 2026 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
• 12 Oct 2026 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
• 12 Oct 2026 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
• 12 Oct 2026 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
• 08 Jun 2021 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
• 08 Jun 2021 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
• 08 Jun 2021 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
• 08 Jun 2021 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
• 04 Mar 2021 — TEAS SECTION 8 & 9 RECEIVED
• 15 Mar 2020 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
• 18 Apr 2017 — NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED
• 18 Apr 2017 — REGISTERED - SEC. 8 (6-YR) ACCEPTED
• 09 Apr 2017 — TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
• 05 Apr 2017 — POST REGISTRATION ACTION MAILED - SEC. 8