How should I address correspondence for inter partes reexamination?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-29 6 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. For inter partes reexamination correspondence sent via U.S. Postal Service Mail, address it to: Mail Stop “Inter Partes Reexam” Attn: Central Reexamination Unit Commissioner for Patents P.O. Box 1450 Alexandria, VA 22313-1450 For hand-carried or delivery service correspondence, address it to: Customer Service Window Randolph Building 401 Dulany Street Alexandria, VA 22314 The MPEP advises: It is strongly recommended that the Mail Stop information be placed in a prominent position on the first page of each paper being filed utilizing a sufficiently large font size that will direct attention to it. Related Rules from the Manual of Patent Examining Procedure 6 rules Collapse Inter Partes Reexamination Not Acceptable After September 16, 2012 MPEP 2624 Inter Partes Reexamination Not Acceptable After September 16, 2012 MPEP 2624 Reexamination Requests Prohibited After September 16, 2012 MPEP 1400.01 Permitted Components Required for Patent Application Publication MPEP 1121 Supplemental Examination Requirement for Patent Applications MPEP 1400.01 Reissue Rules for Patents Effective Post-2012 MPEP 1401 Other Related FAQs 5 FAQs Collapse Can I use certificate of mailing and transmission procedures for inter partes reexamination documents? What information should be included in correspondence after filing an inter partes reexamination request? Can I submit inter partes reexamination requests or documents via fax or EFS-Web? How does the USPTO handle correspondence with patent owners during inter partes reexamination? How does 35 U.S.C. 312(a) affect the determination in inter partes reexamination?