Definition
A derivation proceeding is a PTAB process used to determine whether an applicant derived an invention from another, true inventor without authorization.
Why It Matters Legally
Derivation proceedings protect genuine inventors from having their work patented by someone who learned of it improperly. They are relatively rare but important in disputes over who is entitled to a patent.
Example Use Case
An inventor discovers a former collaborator filed a patent on her idea and initiates a derivation proceeding to establish that she is the true inventor.
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Related Terms
Inter Partes Review, Post-Grant Review, Inventorship, Patent Validity