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ARTICLE · 10 AUGUST 2026

United States Trademark Ownership Errors: How Small Filing Mistakes Become Expensive Problems

Trademark ownership errors in USPTO records often remain hidden for years until a transaction, financing, or litigation forces a title review. Two recent cases demonstrate how minor filing mistakes—a misplaced hyphen and an incorrect applicant name—can create expensive problems that require extensive documentation to resolve, especially when corporate records have been lost or key personnel have departed.

United StatesIntellectual Property

Ownership problems involving United States trademark applications and registrations rarely announce themselves when an application is filed. They sit in the USPTO record until a sale, financing, enforcement action, or maintenance filing forces someone to ask who owns the mark and whether the chain of title holds together.

By then, a minor naming error can be difficult to explain. The lawyer who filed the U.S. application has retired. The employee who handled a later assignment has left. Corporate records are scattered across old files or gone. The company has spent years building value around a federal trademark registration whose ownership history does not add up, and the defect surfaces on someone else’s schedule.

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