What information is needed to access assignment records for unpublished patent applications?

Accessing assignment records for unpublished patent applications requires specific authorization or a showing of legitimate interest. According to MPEP 301.01, for applications that are not open to the public: Information related thereto is only obtainable upon a proper showing of written authority. For applications filed on or after September 16, 2012, the written authority must…

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How are assignment records for reissue applications handled?

Assignment records for reissue applications are treated differently from regular patent applications due to their public nature. According to MPEP 301.01: Assignment records relating to reissue applications are open to public inspection because reissue applications are open to public inspection pursuant to 37 CFR 1.11(b). This means that once a reissue application is filed, its…

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What is the process for obtaining pre-1957 patent assignment records?

Obtaining patent assignment records from before May 1, 1957, involves a different process than accessing more recent records. According to MPEP 301.01: All records of assignments of patents recorded before May 1, 1957, are maintained by the National Archives and Records Administration (NARA). The records are open to public inspection. Certified and uncertified copies of…

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How are assignment records for related patent applications handled?

The handling of assignment records for related patent applications, such as divisional, continuation, or continuation-in-part applications, is addressed in MPEP 301.01. The key point is: If the application on which a patent was granted is a division, continuation, or continuation-in-part of an earlier application, the assignment records of that earlier application will be open to…

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What rights does patent ownership provide?

Patent ownership gives the patent owner the right to exclude others from making, using, offering for sale, selling, or importing into the United States the invention claimed in the patent. This is stated in 35 U.S.C. 154(a)(1). However, ownership does not necessarily give the owner the right to make, use, sell or import the invention,…

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How is patent ownership transferred?

Patent ownership can be transferred through an assignment. According to 35 U.S.C. 261, assignments of patent applications, patents, or any interest therein must be in writing. The MPEP defines an assignment as: ‘a transfer by a party of all or part of its right, title and interest in a patent [or] patent application….’ An assignment…

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