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An official website of the United States government Here’s how you know keyboard_arrow_down Official websites use .gov A .gov website belongs to an official government organization in the United States. The site is secure. A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

An official website of the United States government Here’s how you know keyboard_arrow_down Official websites use .gov A .gov website belongs to an official government organization in the United States. The site is secure. A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

An official website of the United States government Here’s how you know keyboard_arrow_down Official websites use .gov A .gov website belongs to an official government organization in the United States. The site is secure. A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Enter one or more keywords in the field to search the Classification Scheme (Schedule) and Definitions. Tip: Use quotes to search for exact phrases (e.g. "fuel cells")

An official website of the United States government Here’s how you know keyboard_arrow_down Official websites use .gov A .gov website belongs to an official government organization in the United States. The site is secure. A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

MPEP Archives - PDF archive of previous publications of the manual from 1948 – 2023. Please use MPEPFeedback@uspto.gov to send an inquiry to the MPEP staff. Updates Since Current MPEP The current MPEP (9th Edition, Rev. 01.2024), published November 2024, is up-to-date as of January 31, 2024. Any changes to USPTO patent examining policies and procedures that occurred after January 31, 2024, have no

An official website of the United States government Here’s how you know keyboard_arrow_down The .gov means it’s official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site. The site is secure. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted