MPEP § 1835 — MPEP § 1835
Current through: 2022-07-01

1835-[Reserved] 
 
 

 
 
 
 
 
 
 
 

 

 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 

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 Patent Laws, Regulations, Policies & Procedures 

 
 Manual of Patent Examining Procedure 

 Chapter 1800 

 Section 1835 
 

 
 
 
 
 
 1835 [Reserved]

 [top] 

 

 

 
 

 
 

 

 

 

 
 
 
 1801-Basic Patent Cooperation Treaty (PCT) Principles 

 1802-PCT Definitions 

 1803-Reservations Under the PCT Taken by, and Notifications of Incompatibility Made by, the United States of America 

 1804-[Reserved] 

 1805-Where To File an International Application 

 1806-Applicants and Inventors 

 1807-Agent or Common Representative and General Power of Attorney 

 1808-Change in or Revocation of the Appointment of an Agent or a Common Representative 

 1809-Access to the USPTO patent electronic filing system 

 1810-Filing Date Requirements 

 1811-[Reserved] 

 1812-Elements of the International Application 

 1813 - 1816-[Reserved] 

 1817-PCT Member States 

 1818-[Reserved] 

 1819-Earlier Search 

 1820-Signature of Applicant 

 1821-The Request 

 1822-[Reserved] 

 1823-The Description 
 1823.01-Reference to Deposited Biological Material 

 1823.02-Filing Nucleotide and/or Amino Acid Sequence Listings in International Applications 

 
 

 1824-The Claims 

 1825-The Drawings 

 1826-The Abstract 

 1827-Fees 
 1827.01-Refund of International Application Fees 

 
 

 1828-Priority Claim and Document 
 1828.01-Restoration of the Right of Priority 

 1828.02-Continuation or Continuation-in-Part Indication in the Request 

 
 

 1829-[Reserved] 

 1830-International Application Transmittal Letter 

 1831-[Reserved] 

 1832-License Request for Foreign Filing Under the PCT 

 1833-[Reserved] 

 1834-Correspondence 
 1834.01-Filing of Correspondence by Facsimile 

 1834.02-Irregularities in the Mail or Electronic Communications Service 

 
 

 1835-[Reserved] 

 1836-Rectification of Obvious Mistakes 

 1837 - 1839-[Reserved] 

 1840-The International Searching Authority 
 1840.01-The European Patent Office as an International Searching Authority 

 1840.02-The Korean Intellectual Property Office as an International Searching Authority 

 1840.03-The Australian Patent Office (IP Australia) as an International Searching Authority 

 1840.04-[Reserved] 

 1840.05-The Israel Patent Office (ILPO) as an International Searching Authority 

 1840.06-The Japan Patent Office (JPO) as an International Searching Authority 

 1840.07-The Intellectual Property Office of Singapore (IPOS) as an International Searching Authority 

 
 

 1841-[Reserved] 

 1842-Basic Flow Under the PCT 

 1843-The International Search 
 1843.01-Prior Art for Chapter I Processing 

 1843.02-Certain Subject Matter Need Not Be Searched 

 1843.03-No Search Required if Claims Are Unclear 

 1843.04-Procedure for Claims Not Required To Be Searched and for Claims That Are Unclear 

 1843.05-Time Limit for Establishing the International Search Report and the Written Opinion of the International Searching Authority 

 
 

 1844-The International Search Report 
 1844.01-Preparing the International Search Report (Form PCT/ISA/210) 

 
 

 1845-Written Opinion of the International Searching Authority 
 1845.01-Preparing the Written Opinion of the International Searching Authority (Form PCT/ISA/237) 

 1845.02-Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority,
 or the Declaration (Form PCT/ISA/220) 

 
 

 1846 - 1847-[Reserved] 

 1848-Sequence Listings 

 1849-[Reserved] 

 1850-Unity of Invention Before the International Searching Authority 

 1851-Identification of Patent Documents 

 1852-Taking Into Account Results of Earlier Search(es) 

 1853-Amendment Under PCT Article 19 

 1854 - 1855-[Reserved] 

 1856-Supplementary International Searches 

 1857-International Publication 

 1858-[Reserved] 

 1859-Withdrawal of International Application, Designations, or Priority Claims 

 1860-International Preliminary Examination Procedure 

 1861-[Reserved] 

 1862-Agreement With the International Bureau To Serve as an International Preliminary Examining Authority 

 1863-[Reserved] 

 1864-The Demand and Preparation for Filing of Demand 
 1864.01-Amendments Filed Under PCT Article 34 

 1864.02-Applicant’s Right To File a Demand 

 1864.03-States Which May Be Elected 

 1864.04-Agent’s Right To Act 

 
 

 1865-Filing of Demand 

 1866-[Reserved] 

 1867-Preliminary Examination Fees 

 1868-Correction of Defects in the Demand 

 1869-Notification to International Bureau of Demand 

 1870-Priority Document and Translation Thereof 

 1871-Processing Amendments Filed Under Article 19 and Article 34 Prior to or at the Start of International Preliminary Examination 

 1872-Availability of the International Application File for International Preliminary Examination by the Examining Corps 

 1873-[Reserved] 

 1874-Determination if International Preliminary Examination Is Required and Possible 

 1875-Unity of Invention Before the International Preliminary Examining Authority 
 1875.01-Preparation of Invitation Concerning Unity 

 1875.02-Reply to Invitation Concerning Lack of Unity of Invention 

 
 

 1876-Notation of Errors and Informalities by the Examiner 
 1876.01-Request for Rectification and Notification of Action Thereon 

 
 

 1877-Nucleotide and/or Amino Acid Sequence Listings During the International Preliminary Examination 

 1878-Preparation of the Written Opinion of the International Preliminary Examining Authority 
 1878.01-Includes Subsections Regarding Prior Art, Novelty, Inventive Step, and Industrial Applicability for Purposes of the Written
 Opinion and the International Preliminary Examination Report 
 1878.01(a)-Prior Art for Purposes of the Written Opinion and the International Preliminary Examination Report 
 1878.01(a)(1)-Novelty for Purposes of the Written Opinion and the International Preliminary Examination Report 

 1878.01(a)(2)-Inventive Step for Purposes of the Written Opinion and the International Preliminary Examination Report 

 1878.01(a)(3)-Industrial Applicability for Purposes of the Written Opinion and the International Preliminary Examination Report 

 
 

 
 

 1878.02-Reply to the Written Opinion of the ISA or IPEA 

 
 

 1879-Preparation of the International Preliminary Examination Report 
 1879.01-Time Limit for Preparing Report 

 1879.02-Transmittal of the International Preliminary Examination Report and Related Documents 

 1879.03-Translations 

 1879.04-Confidential Nature of the Report 

 
 

 1880-Withdrawal of Demand or Election 

 1881-Receipt of Notice of Election and Preliminary Examination Report by the United States Patent and Trademark Office 

 1882 - 1892-[Reserved] 

 1893-National Stage (U.S. National Application Filed Under 35 U.S.C. 371) 
 1893.01-Commencement and Entry 
 1893.01(a)-Entry via the U.S. Designated or Elected Office 
 1893.01(a)(1)-Submissions Required by 30 Months from the Priority Date 

 1893.01(a)(2)-Article 19 Amendment (Filed With the International Bureau) 

 1893.01(a)(3)-Article 34 Amendments (Filed with the International Preliminary Examining Authority) 

 1893.01(a)(4)-Claim Amendment (Filed With the U.S. Designated or Elected Office) 

 
 

 1893.01(b)-Applicant for a U.S. National Stage Application 

 1893.01(c)-Fees 

 1893.01(d)-Translation 

 1893.01(e)-Inventor’s Oath or Declaration 

 
 

 1893.02-Abandonment 

 1893.03-Prosecution of U.S. National Stage Applications Before the Examiner 
 1893.03(a)-How To Identify That an Application Is a U.S. National Stage Application 

 1893.03(b)-The Filing Date of a U.S. National Stage Application 

 1893.03(c)-The Priority Date, Priority Claim, and Priority Papers for a U.S. National Stage Application 

 1893.03(d)-Unity of Invention 

 1893.03(e)-Documents Received from the International Bureau and Placed in a U.S. National Stage Application File 
 1893.03(e)(1)-Title of the Invention 

 
 

 1893.03(f)-Drawings and PCT Rule 11 

 1893.03(g)-Information Disclosure Statement in a National Stage Application 

 
 

 
 

 1894-[Reserved] 

 1895-A Continuation, Divisional, or Continuation- in- Part Application of a PCT Application Designating the United States 
 1895.01-Handling of and Considerations in the Handling of Continuations, Divisions, and Continuations-In-Part of PCT Applications 

 
 

 1896-The Differences Between a National Application Filed Under 35 U.S.C. 111(a) and a National Stage Application Submitted Under
 35 U.S.C. 371 

 

 

 
 

 
 
 

 
 

 

 
 
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 Last Modified: 
 
 03/09/2026 20:50:37