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IE - Ireland
Intellectual Property Office of Ireland

Useful information

The PCT Applicant’s Guide is updated almost every week with information received by the International Bureau.
In case of question, please contact the Office or the International Bureau (
List of abbreviations used in this document:
Office: Intellectual Property Office of Ireland
List of currencies used in this document:
EUR: Euro
List of related countries and Offices used in this document:
Refer to List of WIPO Standards, Recommendations and Guidelines (formerly Annex K, List of country names and two-letter codes). It includes a list of short names and two-letter codes accepted for use in indicating States, other entities and intergovernmental organizations (and their Offices) in documents relating to international applications under the PCT. The list is as set out in WIPO Standard ST.3.
Also refer to PCT Contracting States (formerly Annex A).
PCT Reservations, Declarations, Notifications and Incompatibilities
The Office does not have any reservations, declarations, notifications or incompatibilities.
Refer to the full list.
Office Closed dates
The Office is closed weekly on Saturday and Sunday
Additional closed dates can be consulted on the Office Closed dates page

International Phase

Annex B - Information on Contracting States or Intergovernmental Organization

Contracting State:
Two-letter code:
Name of Office:
Intellectual Property Office of Ireland
Government Offices
Hebron Road
R95 H4XC
Mailing address:
Same as above
(353-56) 772 01 11
(353-56) 772 01 00
Does the Office accept the filing of documents by means of telecommunication (PCT Rule 92.4)?
Does the Office send notifications via e-mail in respect of international applications?
Would the Office accept evidence of mailing a document, in case of loss or delay, where a delivery service other than the postal authorities is used (PCT Rule 82.1)?
Is the Office prepared to allow applicants to make applications available to the WIPO Digital Access Service for Priority Documents (DAS) (PCT Rule 17.1(b-bis)?
Competent receiving Office(s) for international applications filed by nationals or residents of this State:
Does national legislation restrict the filing of international applications with foreign Offices?
Refer to the Office
Competent designated (or elected) Office(s) for this State:
Refer to corresponding National Phase.
Types of protection available via the PCT:
European patents
Availability under the national law for an international-type search (PCT Article 15):
Provisional protection after international publication:
Designation for the purposes of a European patent:
(1) International application published in one of the EPO official languages: compensation reasonable in the circumstances, on con-dition that any national requirements relating to the translation of the claims in the application have been met.
(2) International application published in a language which is not an EPO official language: the protection referred to in (1) does not become effective until the EPO publishes the international applica-tion supplied to it in one of its official languages.
Information of interest if this Contracting State is designated (or elected)
Time when the name and address of the inventor must be given:
Are there special provisions concerning the deposit of microorganisms and other biological material?
For a European patent 1
Refer to Annex B(EP)

Annex C - Receiving Office

Competent receiving Office for nationals and residents of:
Language in which international applications may be filed:
Language accepted for language-dependent free text in the sequence listing:
Same as above
Language in which the request may be filed:
Number of copies required by the receiving Office if application filed on paper:
Does the receiving Office accept the filing of international applications in electronic form?
Yes, the Office accepts electronic filing via ePCT-Filing
For the relevant notifications by the Office, refer to the Official Notices (PCT Gazette) dated 11 July 2019, pages 105 et seq. and 21 July 2022, page 187.
Where the international application is filed in electronic form in accordance with and to the extent provided for in Part 7 and Annex F of the Administrative Instructions, the total amount of the international filing fee is reduced (refer to “Fees payable to the receiving Office”).
Where the international application contains a sequence listing as a separate part of the description, this must be furnished in accordance with Annex C of the Administrative Instructions, that is, in compliance with WIPO Standard ST.26 XML format; no fees are due for sequence listings filed in this format.
Does the receiving Office accept requests for restoration of the right of priority (PCT Rule 26bis.3)?
Yes, the Office applies both the “unintentional” and the “due care” criteria to such requests
Competent International Searching Authority:
Competent International Preliminary Examining Authority:
Fees payable to the receiving Office:
Transmittal fee:
76 EUR
International filing fee:
1,378 EUR
This fee is reduced by 90% if certain conditions apply (refer to Annex C(IB)).
Fee per sheet in excess of 30:
16 EUR
This fee is reduced by 90% if certain conditions apply (refer to Annex C(IB)).
Reductions (under Schedule of Fees, item 4):
For the relevant notification by the Office, refer to the Official Notices (PCT Gazette) dated 11 July 2019, pages 105 et seq.
Electronic filing (the request in character coded format):
207 EUR
Electronic filing (the request, description, claims and abstract in character coded format):
311 EUR
Search fee:
Refer to
Annex D(EP)
Fee for priority document (PCT Rule 17.1(b)):
for the certified copy 3.00 EUR
per page, plus 0.60 EUR
Fee for requesting restoration of the right of priority (PCT Rule 26bis.3(d)):
Please refer to the Office
Is an agent required by the receiving Office?
No, if the applicant resides in Ireland
Yes, if the applicant is non-resident
Who can act as agent?
Any person registered in the Register of Patent Agents kept at the Office
Waiver of power of attorney:
Waivers of powers of attorney do not apply (PCT Rule 90.4(e) and 90.5(d)) where the agent or common representative submits any notice of withdrawal during the international phase (PCT Rule 90bis.1 to 90bis.4, also refer to International Phase, paragraph 11.048).
Has the Office waived the requirement that a separate power of attorney be submitted?
Particular instances in which a separate power of attorney is required:
Not applicable
Has the Office waived the requirement that a copy of a general power of attorney be submitted?
Particular instances in which a copy of a general power of attorney is required:
Not applicable

National Phase

The Office closed the national route
1 a Applicants of an international application designating Ireland for a European patent may request the Controller, within 31 months from the priority date, that the international application be treated as an application for a patent in Ireland under Part II of the Patents Act 1992 (refer to Section 127A of the Patents Act, 1992 enacted by the Copyright and Other Intellectual Property Law Provisions Act 2019, effective from 2 December 2019 and Rule 87A of the Patents (Amendment) Rules 2019, S.I. 589/2019).


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V. 1 printed on 1 Apr 2023