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This is a Cooley IP Forms form that can be used for Patent within Letters.
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Re: U.S. Patent Application No. _____ Entitled: _____ Inventor(s): _____ Filed: Your Ref. No.: _____ Ref. No.: _____ (_____) Enclosed is a copy of the provisional patent application we filed at the U.S. Patent and Trademark Office (USPTO) on . Also enclosed for your records is a copy of the receipt from the USPTO for the filing. [On , we also submitted the executed/notarized Assignment to the USPTO for recordation, and a copy of that submission is enclosed along with a copy of the USPTO's acknowledgement. We will forward the USPTO's recordation notice when we receive it.] OR [Enclosed please also find an Assignment for execution by the named inventor(s). The inventor(s) should sign and date the Assignment before a Notary Public in order to assign all rights in the patent application to <company/client name>. Please return to us a copy or the original of the executed/notarized Assignment, and we then will submit it to the USPTO for recordation.] As you know, this provisional application will expire after one year from . To claim priority to, and to maintain the benefit of, the filing date of this provisional patent application, any nonprovisional patent application must be prepared and then filed in the U.S. and/or abroad before the one-year anniversary of the filing date of this provisional application. The one-year deadline is . We will remind you of this deadline as it approaches, but we ask that you please note and calendar it as well. Please contact me with any comments or questions.