Patent Cooperation Treaty
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Introductory Provisions
Article 1 - Establishment of a Union
Article 2 - Definitions
CHAPTER I - International Application and International Search
Article 3 - The International Application
Article 4 - The Request
Article 5 - The Description
Article 7 - The Drawings
Article 8 - Claiming Priority
Article 9 - The Applicant
Article 10 - The Receiving Office
Article 11 - Filing Date and Effects of the International Application
Article 12 - Transmittal of the International Application to the International Bureau and the International Searching Authority
Article 13 - Availability of Copy of the International Application to Designated Offices
Article 14 - Certain Defects in the International Application
Article 15 - The International Search
Article 16 - The International Searching Authority
Article 17 - Procedure Before the International Searching Authority
Article 18 - The International Search Report
Article 19 - Amendment of the Claims Before the International Bureau
Article 20 - Communication to Designated Offices
Article 21 - International Publication
Article 22 - Copy, Translation, and Fee, to Designated Offices
Article 23 - Delaying of National Procedure
Article 24 - Possible Loss of Effect in Designated States
Article 25 - Review By Designated Offices
Article 26 - Opportunity to Correct Before Designated Offices
Article 27 - National Requirements
Article 28 - Amendment of the Claims, the Description, and the Drawings Before Designated Offices
Article 29 - Effects of the International Publication
Article 30 - Confidential Nature of the International Application
CHAPTER II - International Preliminary Examination
Article 31 - Demand for International Preliminary Examination
Article 32 - The International Preliminary Examining Authority
Article 33 - The International Preliminary Examination
Article 34 - Procedure Before the International Preliminary Examining Authority
Article 35 - The International Preliminary Examination Report
Article 36 - Transmittal, Translation, and Communication, of the International Preliminary Examination Report
Article 37 - Withdrawal of Demand or Election
Article 38 - Confidential Nature of the International Preliminary Examination
Article 39 - Copy, Translation, and Fee, to Elected Offices
Article 40 - Delaying of National Examination and Other Processing
Article 41 - Amendment of the Claims, the Description, and the Drawings, Before Elected Offices
Article 42 - Results of National Examination in Elected Offices
CHAPTER III - Common Provisions
Article 43 - Seeking Certain Kinds of Protection
Article 44 - Seeking Two Kinds of Protection
Article 45 - Regional Patent Treaties
Article 46 - Incorrect Translation of the International Application
Article 47 - Time Limits
Article 48 - Delay in Meeting Certain Time Limits
Article 49 - Right to Practice Before International Authorities
CHAPTER IV - Technical Services
Article 50 - Patent Information Services
Article 51 - Technical Assistance
Article 52 - Relations with Other Provisions of the Treaty
CHAPTER V - Administrative Provisions
Article 53 - Assembly
Article 54 - Executive Committee
Article 55 - International Bureau
Article 56 - Committee for Technical Cooperation
Article 57 - Finances
Article 58 - Regulations
CHAPTER VI - Disputes
CHAPTER VII - Revision and Amendment
Article 60 - Revision of the Treaty
Article 61 - Amendment of Certain Provisions of the Treaty
CHAPTER VIII - Final Provisions
Article 62 - Becoming Party to the Treaty
Article 63 - Entry into Force of the Treaty
Article 64 - Reservations
Article 65 - Gradual Application
Article 66 - Denunciation
Article 67 - Signature and Languages
Article 68 - Depositary Functions
Article 69 - Notifications
Text in force at 01-01-2020. The text can be verified at overheid.nl.