HomeIP-GuideBulgaria General informationInvention (PCT National Phase) Bulgaria

Bulgaria

  • International Country Code:

    BG
  • Time Zone:

    UTC/GMT +02:00
  • Currency:

    Bulgarian Lev (BGN)

Bulgarian PCT national phase entry

Bulgaria
from 1149.00
Total Number of Claims/PCT
Number of Independent Claims
Number of Priorities
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  • Patent fees

Fees associated with Bulgarian PCT national phase entry as well as other patent fees are available in the fee calculator.

  • Time limits for the Bulgarian national phase entry 

The PCT application must be filed in Bulgaria within 31 months from the earliest priority date. The extension of this deadline is not possible.

  • Minimum filing requirements

To obtain a filing date a Bulgarian patent application based on PCT must contain:
- a request for the grant of a patent containing the title of the invention and the data identifying the applicant, in the Bulgarian language;
- specification and drawings in any language.

  • Language of the Bulgarian patent application

The official language is Bulgarian. If the PCT application was filed in any other foreign language, translation into Bulgarian should be provided within three months from national phase entry. This term cannot be extended.

  • Power of Attorney requirements

The official legalisation is not required for the Bulgarian national phase entry. The signed and stamped POA may be submitted within three months from entering the Bulgarian PCT national stage.

  • Substantive examination request

The substantive examination on Bulgarian patent application based on PCT should be requested together with the entry into the Bulgarian PCT national phase.

  • Time limits for amending the patent application in Bulgaria based on the PCT

The Bulgarian patent application may be amended during its pendency in the patent office until the decision to grant a patent is taken.

  • Novelty grace period 

A Bulgarian PCT application may be filed within six months after the disclosure at an officially recognized exhibition.

  • Representation by a patent attorney

Foreign applicants must perform the PCT national stage entry in Bulgaria through an agent, registered in Bulgaria patent attorney.

  •  Notes

1. Online Database for European Patents (EPO) Search.
2. The PCT application in Bulgaria may be nationalised via registration of the European patent and its further validation in Bulgaria.
3. PCT applications may also be protected as Utility Models in Bulgaria, which are subject to formal examination only. Methods, chemical compounds and use of a product are not protectable. Time frame for registration of utility models is 12-18 months. Initial protection term is 4 years with two renewals, 3 years each.

Brief summary is based on the information provided by PATENT UNIVERSE Valentina Nesheva Ltd. on 15.01.2019
Please contact us if the above information contains any discrepancies with Bulgarian IP Laws

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