What are the main requirements for claims in a PCT application?

The main requirements for claims in a PCT application are outlined in MPEP 1824 and include:

• Claims must define the matter for which protection is sought
• Claims should be clear and concise
• Claims must be fully supported by the description
• The number of claims should be reasonable considering the nature of the invention

As stated in the MPEP, “The claim or claims must ‘define the matter for which protection is sought.’ Claims must be clear and concise. They must be fully supported by the description.“

To learn more:

• PCT claims
• claim requirements
• patent application
• international patent