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Jason Dale Killmeyer

Opposer

OpenAI OpCo, LLC

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OpenAI OpCo, LLC v. Jason Dale Killmeyer

91303889 | Trademark Trial and Appeal Board

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Filed Dec. 16, 2025

Proceeding Type Opposition

Applicant Mark CHATGPTEES No. 99103758

Opposer Mark GPT-4 No. 97836275

Opposer Mark GPT-3 No. 90092493

Case Type Opposition

Status Terminated

Interlocutory Attorney KATERINA D SPARER

Paralegal LATRICIA R HARRISON

Last Updated: 3 weeks, 2 days ago

Filing Date	#	Docket Text
Entries matching. Show All.

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PACER charges $0.10 per page with a 30 page (or $3.00) cap for all documents, except transcripts which have no cap. For example, a five page document is $0.50 and a 50 page document is $3.00. Accessing docket sheets also incurs a fee if we do not already have the full docket sheet (again, max of $3.00). These fees are only incurred for Federal Courts and Bankruptcies.

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OpenAI OpCo, LLC v. Jason Dale Killmeyer

91303889 | Trademark Trial and Appeal Board

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