Published, 3 February 2022


Maintaining an accurate record of an IP owner’s name and address is critical to securing IP rights and ensuring that they  remain protected.

Therefore, when a merger or acquisition takes place (or any other change in ownership or address), the updated status must be recorded with each relevant patent and trademark office
around the world.

This guide provides critical recordation of change requirements for 60+ of the most frequently filed EPO and PCT member states. It contains a country-by-country list of:

  • Assignment requirements
  • Language for assignment submission
  • Power of Attorney requirements
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