About Intellectual Property IP Training IP Outreach IP for… IP and... IP in... Patent & Technology Information Trademark Information Industrial Design Information Geographical Indication Information Plant Variety Information (UPOV) IP Laws, Treaties & Judgements IP Resources IP Reports Patent Protection Trademark Protection Industrial Design Protection Geographical Indication Protection Plant Variety Protection (UPOV) IP Dispute Resolution IP Office Business Solutions Paying for IP Services Negotiation & Decision-Making Development Cooperation Innovation Support Public-Private Partnerships The Organization Working with WIPO Accountability Patents Trademarks Industrial Designs Geographical Indications Copyright Trade Secrets WIPO Academy Workshops & Seminars World IP Day WIPO Magazine Raising Awareness Case Studies & Success Stories IP News WIPO Awards Business Universities Indigenous Peoples Judiciaries Genetic Resources, Traditional Knowledge and Traditional Cultural Expressions Economics Gender Equality Global Health Climate Change Competition Policy Sustainable Development Goals Enforcement Frontier Technologies Mobile Applications Sports Tourism PATENTSCOPE Patent Analytics International Patent Classification ARDI – Research for Innovation ASPI – Specialized Patent Information Global Brand Database Madrid Monitor Article 6ter Express Database Nice Classification Vienna Classification Global Design Database International Designs Bulletin Hague Express Database Locarno Classification Lisbon Express Database Global Brand Database for GIs PLUTO Plant Variety Database GENIE Database WIPO-Administered Treaties WIPO Lex - IP Laws, Treaties & Judgments WIPO Standards IP Statistics WIPO Pearl (Terminology) WIPO Publications Country IP Profiles WIPO Knowledge Center WIPO Technology Trends Global Innovation Index World Intellectual Property Report PCT – The International Patent System ePCT Budapest – The International Microorganism Deposit System Madrid – The International Trademark System eMadrid eMadrid Reference Article 6ter (armorial bearings, flags, state emblems) Hague – The International Design System eHague Lisbon – The International System of Appellations of Origin and Geographical Indications eLisbon UPOV PRISMA Mediation Arbitration Expert Determination Domain Name Disputes Centralized Access to Search and Examination (CASE) Digital Access Service (DAS) WIPO Pay Current Account at WIPO WIPO Assemblies Standing Committees Calendar of Meetings WIPO Official Documents Development Agenda Technical Assistance IP Training Institutions COVID-19 Support National IP Strategies Policy & Legislative Advice Cooperation Hub Technology and Innovation Support Centers (TISC) Technology Transfer Inventor Assistance Program WIPO GREEN WIPO's Pat-INFORMED Accessible Books Consortium WIPO for Creators WIPO ALERT Member States Observers Director General Activities by Unit External Offices Job Vacancies Procurement Results & Budget Financial Reporting Oversight

Regulations under the PCT

Rule 16bis
Extension of Time Limits for Payment of Fees

16bis.1       Invitation by the Receiving Office

(a)  Where, by the time they are due under Rules 14.1(c), 15.3 and 16.1(f), the receiving Office finds that no fees were paid to it, or that the amount paid to it is insufficient to cover the transmittal fee, the international filing fee and the search fee, the receiving Office shall, subject to paragraph (d), invite the applicant to pay to it the amount required to cover those fees, together with, where applicable, the late payment fee under Rule 16bis.2, within a time limit of one month from the date of the invitation.

(b)  [Deleted]

(c)  Where the receiving Office has sent to the applicant an invitation under paragraph (a) and the applicant has not, within the time limit referred to in that paragraph, paid in full the amount due, including, where applicable, the late payment fee under Rule 16bis.2, the receiving Office shall, subject to paragraph (e):

(i)  make the applicable declaration under Article 14(3), and

(ii)  proceed as provided in Rule 29.

(d)  Any payment received by the receiving Office before that Office sends the invitation under paragraph (a) shall be considered to have been received before the expiration of the time limit under Rule 14.1(c), 15.3 or 16.1(f), as the case may be.

(e)  Any payment received by the receiving Office before that Office makes the applicable declaration under Article 14(3) shall be considered to have been received before the expiration of the time limit referred to in paragraph (a).

16bis.2       Late Payment Fee

(a)  The payment of fees in response to an invitation under Rule 16bis.1(a) may be subjected by the receiving Office to the payment to it, for its own benefit, of a late payment fee. The amount of that fee shall be:

(i)  50% of the amount of unpaid fees which is specified in the invitation, or,

(ii)  if the amount calculated under item (i) is less than the transmittal fee, an amount equal to the transmittal fee.

(b)  The amount of the late payment fee shall not, however, exceed the amount of 50% of the international filing fee referred to in item 1 of the Schedule of Fees, not taking into account any fee for each sheet of the international application in excess of 30 sheets.