FAQs Patent Questions

Question:A joint owner of a patent may sell the invention for his or her own profit provided they do not infringe another’s patent rights or the joint owners have a contract

Answer:
Any joint owner of a patent, no matter how small the part interest, may make, use, offer for sale and sell and import the invention for his or her own profit provided they do not infringe another’s patent rights, without regard to the other owners, and may sell the interest or any part of it, or grant licenses to others, without regard to the other joint owner, unless the joint owners have made a contract governing their relation to each other.

Question:How do I search for a particular type of patent, e.g., a design patent?

Answer:
To search for a particular type of patent, go to any one of the three search pages (Quick, Advanced, Number) and, in the appropriate patent number field (Patent Number, PN/, Query), enter the patent number including the appropriate prefix: 'D' for design patents, 'PP' for plant patents, 'R' for reissue patents, 'T' for defensive publications, 'H' for SIRs, 'X' for X patents, or 'AI' for Additional Improvements

Question:Status identifier cannot be presented before the claim number.

Answer:
No, the status identifier must be presented after the claim number.

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