Patent Expiration

/ˈpætənt ˌɛkspəˈreɪʃən/

Definitions

  1. (n.) The termination of the legal protection period granted to a patent, after which the invention enters the public domain.
    After patent expiration, competitors were free to produce generic versions of the drug.

Forms

  • patent expiration
  • patent expirations

Commentary

Patent expiration marks the end of exclusive rights, often prompting entry of competitors; drafting should clearly specify the expiration date and applicable jurisdiction.

This glossary is for general informational and educational purposes only. Definitions are jurisdiction-agnostic but reflect terminology and concepts primarily drawn from English and American legal traditions. Nothing herein constitutes legal advice or creates a lawyer-client relationship. Users should consult qualified counsel for advice on specific matters or jurisdictions.

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