Bulgarian Patent Office

Welcome to the Services Programme of the Bulgarian Patent Office


Standard searches (RS)

  • Novelty search with search report
  • Patentability search
  • Pre-opinion and validity search
  • Freedom to operate (for Bulgaria only)

Special searches (TS)

  • Prior art search
  • Pre-project search
  • Pre-grant search
  • Additional search
  • Technical surveys

Other services

Typical costs

Available on the official website: www1.bpo.bg

Technical areas

Medicinal preparations- A61 К 31/..., A61K9/..., A61P

Heterocyclic compounds - C07D, A01N, A61К 31/..., A61Р

Polymers - C08G, C08L

Electrical machines - H02K

Optical and laser engineering - H01S, G02B, G02F Optical fiber, sensors and optical sensors - G01 K, G01 L, G01J

Locks; Accessories; Handcuffs - E05B

Garages for many vehicles - E04H 6/08 Movable, with their loads, on wheels or the like, e.g. fork-lift trucks - B66F 9/06

Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes - A61B1/00 * A61B1/32
Measuring for diagnostic purposes- A61B5/00 * A61B5/22 Surgical instruments, devices or methods, e.g. tourniquets - A61B17/00 + A61B17/92 Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents- A61F2/00 + A61F2/80 Orthopaedic methods or devices for non-surgical treatment of bones or joints- A61F5/00 + A61F5/58

Methods of steam generation;
Steam boilers - F22B1/00-33/00 Superheating of steam - F22G Methods or apparatus for combustion using fluent fuel - F23C1/00+9/00 Cremation furnaces; Consuming waste by combustion - F23G


Requests in Bulgarian, English and Russian
Reports in Bulgarian, English and Russian



Contact details

Svetlana Demirevska
Mechanical and Electrical
Examination Department
Patent Office of the Republic of Bulgaria
Tel. +359 2 9701 462
Email: sdemirevska@bpo.bg

Rumyana Kurukafova
Chemistry Examination Department
Patent Office of the Republic of Bulgaria
Tel. +359 2 9701 428
Email: rkouroukafova@bpo.bg

Main features

The Bulgarian Patent Office has 60 years experience in granting of patents and searches.
The granting procedure of patents has always been based on patent searches and substantive examination.
The Bulgarian Patent Office has gained EN ISO 9001:2000 Certification as recognition of the high quality level of the patent searches and services.
Searches within 6 weeks.

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