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LV - Latvia
Latvian Patent Office

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: Latvian Patent Office
List of currencies used in this document:
EUR (Euro)
Countries and Offices information:
The list of acronyms used for Offices is no longer shown as it has been integrated in the mouseover functionality for each ST.3 code shown 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.
Office profile
For more technical information about the Office, refer to ePCT Office profile.
PCT Reservations, Declarations, Notifications and Incompatibilities
Rule 49.6(f)
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:
Latvia - Latvian Patent Office
Name of Office:
Latvian Patent Office
7(70) Citadeles iela
LV-1010 Riga
Mailing address:
Same as above
(371) 709 96 22
Does the Office accept the filing of documents by facsimile or the like means (PCT Rule 92.4)?
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)?
provided that the delivery service is:
Express Mail Service
United Parcel Service
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)?
Yes, the Office is prepared to allow applicants to make national applications filed in electronic form available to the WIPO DAS
Competent receiving Office(s) for international applications filed by nationals or residents of this State:
European Patent Organisation - European Patent Office (EPO)
International Bureau of the World Intellectual Property Organization (WIPO) - International Bureau of WIPO
Latvia - Latvian Patent Office
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.
European patent: EP
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 made for the purposes of a European patent:
Information not yet available
Information of interest if this Contracting State is designated (or elected)
Are there special provisions concerning the deposit of microorganisms and other biological material?
For a European patent
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:
If the language in which the international application is filed is not accepted by the International Searching Authority (refer to Annex D), the applicant will have to furnish a translation (PCT Rule 12.3).
Language accepted for language-dependent free text in the sequence listing:
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 Official Notices (PCT Gazette) dated 12 February 2015, pages 34 et seq. and 11 August 2022, pages 219 et seq.
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, please refer to the Office for the applicable criteria and/or any fee payable for such requests
Competent International Searching Authority:
European Patent Organisation - European Patent Office (EPO)
Competent International Preliminary Examining Authority:
European Patent Organisation - European Patent Office (EPO)
Fees payable to the receiving Office:
Transmittal fee:
70 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
Reductions (under Schedule of Fees, item 4):
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)):
19.16 EUR
Is an agent required by the receiving Office?
No, if the applicant resides in Latvia
Yes, if the applicant is a non-resident
Who can act as agent?
Any patent attorney registered to practice before 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:
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:

Annex L - Deposits of Microorganisms and Other Biological Material

Requirements of designated and elected Offices
Only Offices whose applicable national law contains provisions concerning the deposits of microorganisms and other biological material are listed in Annex L. Unless otherwise indicated, deposits may be made for the purposes of patent procedure before these Offices with any depositary institution having acquired the status of international depositary authority under the Budapest Treaty on the International Recognition of the Deposit of Microorganisms for the Purposes of Patent Procedure.
For a list of these institutions refer to:
Notifications related thereto may be consulted under:
Further information concerning the requirements of international depository authorities under the Budapest Treaty is available at:
Time (if any) earlier than 16 months from priority date by which applicant must furnish:
— the indications prescribed in Rule 13bis.3(a)(i) to (iii):
— any additional indications:
At the time of filing (as part of the application)
Additional indications (if any) which must be given besides those prescribed in Rule 13bis.3(a)(i) to (iii) pursuant to notifications from the Office:
To the extent available to the applicant, relevant information on the characteristics of the microorganism

National Phase

The Office closed the national route
Special edition as of 31 October 2023, prepared for EQE candidates printed on 23 Jul 2024