MPEP 2200
Citation of Prior Art and Ex Parte Reexamination of Patents
This is the Ninth Edition of the MPEP, Revision 10.2019, Last Revised in June 2020
Chapter 2200: Citation of Prior Art and Ex Parte Reexamination of Patents
2201: Introduction
2202: Citation of Prior Art and Written Statements
2203: Persons Who May Cite Prior Art or Written Statements
2204: Time for Filing Prior Art or Section 301 Written Statements
2205: Content of Prior Art or Section 301 Written Statements
2206: Submission and Handling of Prior Art or Section 301 Written Statements
2207: Entry of Court Decision in Patent File
2208: Service of Prior Art or Section 301 Written Statements on Patent Owner
2209: Ex Parte Reexamination
2210: Request for Ex Parte Reexamination under 35 U.S.C. 302
2211: Time for Requesting Ex Parte Reexamination under 35 U.S.C. 302
2212: Persons Who May File a Request for Ex Parte Reexamination under 35 U.S.C. 302
2212.01: Inquiries from Persons Other Than the Patent Owner
2213: Representative of Requester
2214: Content of Request for Ex Parte Reexamination Filed under 35 U.S.C. 302
2215: Fee for Requesting Ex Parte Reexamination under 35 U.S.C. 302
2216: Substantial New Question of Patentability
2217: Statement Applying Prior Art in a Request Filed under 35 U.S.C. 302
2218: Copies of Prior Art
2219: Copy of Printed Patent
2220: Certificate of Service
2221: Amendments Included in Request Filed under 35 U.S.C. 302 by Patent Owner
2222: Address of Patent Owner
2223: Withdrawal of Attorney or Agent
2224: Correspondence
2225: Untimely Paper Filed Prior to Order under 35 U.S.C. 304
2226: Initial Processing of Request for Ex Parte Reexamination Filed under 35 U.S.C. 302
2227: Incomplete Request for Ex Parte Reexamination Filed under 35 U.S.C. 302
2228: Reserved
2229: Notice of Request under 35 U.S.C. 302 for Ex Parte Reexamination in Official Gazette
2230: Constructive Notice to Patent Owner
2231: Processing of Request Corrections
2232: Public Access to Reexaminations Filed under 35 U.S.C. 302
2232.01: Determining if a Reexamination Request Was Filed under 35 U.S.C. 302 for a Patent
2233: Processing in Central Reexamination Unit and Technology Center
2234: Entry of Amendments
2235: Record Systems
2236: Assignment of Reexamination
2237: Transfer Procedure
2238: Time Reporting
2239: Reexamination Ordered at the Director’s Initiative
2240: Decision on Request Filed under 35 U.S.C. 302
2241: Time for Deciding Request Filed under 35 U.S.C. 302
2242: Criteria for Deciding Request Filed under 35 U.S.C. 302
2243: Claims Considered in Deciding Request Filed under 35 U.S.C. 302
2244: Prior Art on Which the Determination Is Based in Requests Filed under 35 U.S.C. 302
2245: Processing of Decision
2246: Decision Ordering Reexamination under 35 U.S.C. 304
2247: Decision under 35 U.S.C. 303 on Request for Reexamination filed Under 35 U.S.C. 302, Request Denied
2247.01: Examples of Decisions on Request for Reexamination
2248: Petition From Denial of Request Filed Under 35 U.S.C. 302
2249: Patent Owner’s Statement in Reexaminations Filed Under 35 U.S.C. 302
2250: Amendment by Patent Owner
2250.01: Correction of Patent Drawings
2250.02: Correction of Inventorship
2250.03: Fees for Adding Claims and for Filing a Petition
2251: Reply by Third Party Requester
2252: Consideration of Statement and Reply
2253: Consideration by Examiner
2254: Conduct of Ex Parte Reexamination Proceedings
2255: Who Reexamines
2256: Prior Art Patents and Printed Publications Reviewed by Examiner in Reexamination
2257: Listing of Prior Art
2258: Scope of Ex Parte Reexamination
2258.01: Use of Previously Cited/Considered Art in Rejections
2258.02: Claiming Foreign Priority and Domestic Benefit in Reexamination
2259: Res Judicata and Collateral Estoppel in Reexamination Proceedings
2260: Office Actions
2260.01: Dependent Claims
2261: Special Status for Action
2262: Form and Content of Office Action
2263: Time for Response
2264: Mailing of Office Action
2265: Extension of Time
2266: Responses
2266.01: Submission Not Fully Responsive to Non-Final Office Action
2266.02: Examiner Issues Notice of Defective Paper in Ex Parte Reexamination
2266.03: Service of Papers
2267: Handling of Inappropriate or Untimely Filed Papers
2268: Petition for Entry of Late Papers for Revival of Reexamination Proceeding
2269: Reconsideration
2270: Clerical Handling
2271: Final Action
2271.01: Panel Review
2272: After Final Practice
2273: Appeal in Ex Parte Reexamination
2274: Appeal Brief
2275: Examiner’s Answer
2276: Oral Hearing
2277: Board Decision
2278: Action Following Decision
2279: Appeal to Courts
2280: Information Material to Patentability in Reexamination Proceeding Filed under 35 U.S.C. 302
2281: Interviews in Ex Parte Reexamination Proceedings
2282: Notification of Existence of Prior or Concurrent Proceedings and Decisions Thereon
2283: Multiple Copending Ex Parte Reexamination Proceedings
2284: Copending Ex Parte Reexamination and Interference Proceedings
2285: Copending Ex Parte Reexamination and Reissue Proceedings
2286: Ex Parte Reexamination and Litigation Proceedings
2286.01: Reexamination and Inter Partes Review Proceedings, Post-Grant Review, and Covered Business Method Patent Review
2287: Conclusion of Ex Parte Reexamination Proceeding
2287.01: Examiner Consideration of Submissions After a NIRC
2288: Issuance of Ex Parte Reexamination Certificate
2289: Reexamination Review
2290: Format of Ex Parte Reexamination Certificate
2291: Notice of Ex Parte Reexamination Certificate Issuance in Official Gazette
2292: Distribution of Certificate
2293: Intervening Rights
2294: Concluded Reexamination Proceedings
2295: Reexamination of a Reexamination
2296: USPTO Forms To Be Used In Ex Parte Reexamination