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Patent Invalidity

Best practices in Patent Invalidation Searches

Invalidation – an introduction An invalidation search, also known as an opposition search or validity search, is a search conducted to determine if one or more claims of a granted patent are valid. The term &#8...

Patent Validity / Invalidity Search

Patent Validity / Invalidity Search The purpose of a validity search or an invalidity search/opposition search is to understand the strength of a patent, i.e., whether or not the patent is defendable in...