What are the meanings of the patent document symbols?

Patent document symbols are symbols used to indicate patent document types. They are used to identify the document type, such as a patent, a patent application, a patent office action, or a maintenance fee payment, among others. A few of the more common patent document symbols used in California are: • “US” or “USA” – These indicate a US patent document. • “Pat” – This indicates a US patent issued by the US Patent and Trademark Office. • “PP” – This indicates a US plant patent issued by the US Patent and Trademark Office. • “App” – This indicates a US patent application. • “OF” – This indicates an Office Action, which is a notice sent by the Patent Office during the examination of a patent application. • “Rev” or “Rew” – This indicates a reissue or reexamination certificate. • “Maint” – This indicates a maintenance fee payment. • “Des” – This indicates a US design patent. Patent document symbols are an important part of the US patent system and provide critical information regarding patents and patent applications in California. Understanding and accurately recognizing these symbols can help an individual identify the appropriate patent documents quickly and easily.

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What are the meanings of the patent document symbols?

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