- 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
- 1824-The Claims
- 1825-The Drawings
- 1826-The Abstract
- 1827-Fees
- 1828-Priority Claim and Document
- 1829-[Reserved]
- 1830-International Application Transmittal Letter
- 1831-[Reserved]
- 1832-License Request for Foreign Filing Under the PCT
- 1833-[Reserved]
- 1834-Correspondence
- 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
- 1845-Written Opinion of the International Searching Authority
- 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
- 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
- 1876-Notation of Errors and Informalities by the Examiner
- 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
- 1878.01(a)-Prior Art for Purposes of the Written Opinion and the International Preliminary Examination Report
- 1878.02-Reply to the Written Opinion of the ISA or IPEA
- 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
- 1879-Preparation of the International Preliminary Examination 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
- 1893.01(a)-Entry via the U.S. Designated or Elected Office
- 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(f)-Drawings and PCT Rule 11
- 1893.03(g)-Information Disclosure Statement in a National Stage Application
- 1893.01-Commencement and Entry
- 1894-[Reserved]
- 1895-A Continuation, Divisional, or Continuation- in- Part Application of a PCT Application Designating the United States
- 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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