skip navigationU S P T O SealUnited States Patent and Trademark Office TTABVUE logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
TTABVUE. Trademark Trial and Appeal Board Inquiry System
v2.8.0

Opposition

Number:91303530Filing Date:12/04/2025
Status:PendingStatus Date:12/04/2025
General Contact Number:571-272-8500
Interlocutory Attorney:JENNIFER KRISP
Paralegal Name:KARL S KOCHERSPERGER
Defendant
Name:Xmind Limited
Correspondence:
XMIND LIMITED
77 CONNAUGHT ROAD CENTRAL CENTRAL, 26TH FLOOR BEAUTIFUL GROUP TOWER
HONG KONG SAR, 999999
HONG KONG
paypal@xmind.net
 
Applications/registrations
 
Serial #:98323207Application FileAssignment
Application Status: OPPOSITION PENDING
Mark: GPT
Plaintiff
Name:OpenAI OpCo, LLC
Correspondence:DANIEL STEVEN MARTENS
PIRKEY BARBER PLLC
1801 EAST 6TH STREET, SUITE 300
AUSTIN, TX 78702
UNITED STATES
tmcentral@pirkeybarber.com, dmartens@pirkeybarber.com, cweimer@pirkeybarber.com, bress@pirkeybarber.com, drausa@pirkeybarber.com, PolicingOpenAIUS@pirkeybarber.com
Phone: 512-322-5200
 
Pleaded applications and registrations
 
Serial #:98089548Application FileAssignment
Application Status: FIRST EXTENSION - GRANTED
Mark: GPT-5
 
Serial #:90092493Application FileAssignmentRegistration #:6294671
Application Status: CANCELLATION PENDING
Mark: GPT-3
 
Serial #:97836275Application FileAssignmentRegistration #:7232349
Application Status: CANCELLATION PENDING
Mark: GPT-4
 
Serial #:97733259Application FileAssignment
Application Status: SUSPENSION LETTER - MAILED
Mark: GPT
 
Serial #:97928136Application FileAssignment
Application Status: SUSPENSION LETTER - MAILED
Mark: CHATGPT
 
Serial #:97733261Application FileAssignment
Application Status: EX PARTE APPEAL PENDING
Mark: CHATGPT
Prosecution History
#DateHistory TextDue Date
602/25/2026RESPONSE DUE 30 DAYS (DUE DATE)03/27/2026
501/12/2026RESPONSE DUE 30 DAYS (DUE DATE)02/11/2026
412/23/2025D REQ TO W/DRAW AS ATTORNEY
312/04/2025INSTITUTED
212/04/2025NOTICE AND TRIAL DATES SENT; ANSWER DUE:02/02/2026
112/04/2025FILED AND FEE
Results as of 03/14/2026 10:38 PM
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY POLICY