Is designating a domestic representative mandatory for foreign patent assignees?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-09 10 Rules 5 Related FAQs This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice. While designating a domestic representative is not mandatory, it is highly recommended for foreign patent assignees. According to MPEP 302.04 , An assignee of a patent or patent application who is not domiciled in the United States may, by written document signed by such assignee, designate a domestic representative. The use of ‘may’ indicates that this is optional. However, having a domestic representative can significantly simplify legal proceedings and communications with the USPTO for foreign assignees. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Foreign Assignee May Designate Domestic Representative MPEP 302.04 Permitted Foreign Assignee Must Designate Domestic Representative for US Proceedings MPEP 302.04 Recommended Foreign Assignee Must Designate US Representative MPEP 302.04 Permitted Designation of Domestic Representative Required for Foreign Assignees MPEP 302.04 Required Designation of Domestic Representative Must Be Separate Document MPEP 302.04 Recommended Nonresident Patentee Must Designate Domestic Representative for Service of Process MPEP 302.04 Permitted Cover Sheets Required for Recording Assignments MPEP 302 Cover Sheets for Recording Documents Affecting Title MPEP 302 Government Patent Interests Must Be Recorded Promptly MPEP 302 Recording of Assignment Documents Required MPEP 302 Required Other Related FAQs 5 FAQs Collapse How does a foreign assignee designate a domestic representative? How should a foreign assignee designate a domestic representative for patent matters? What is a domestic representative for foreign patent assignees? Can a domestic representative be changed after initial designation? Why is it important to submit legib...