Patent give its owner exclusive rights to exclude other from making using importing  selling or offering for sale  the protected invention without his permission.

What is a patent ?


Patent is a property right granted to an inventor it gives its owner the right to exclude others from making, using, selling, or offering to sell in ALGERIA the invention claimed in the patent.

Certificate of Addition

The improvements brought to a protected invention can be registered in order to protect them by a title called certificate of addition which registration formalities are the same as the patent. The certificate of addition is linked to a basic patent. The protection term of the said certificate is limited to the term of the patent to which the improvement was brought.


How to protect your Invention in Algeria?

By Filing

   - a national patent application to the Algerian National Institute of industrial property (INAPI).

   - an international application submitted in the framework of the Patent Cooperation Treaty PCT.


Procedure for Granting Patent

-    Patent Search

Before applying for a patent, we recommend that patentability and a state of the art searches must be conducted to ascertain whether any documents closely related to the invention exists.

-    Drafting and Filing a Patent Application

   Application for patent must be filled into five copies and must include the following:


        a) - Description of the invention

                 (I)   - Must be detailed and sufficiently clear as to enable skilled person to carry it on.

                 (II)  - Must be in Arabic language and translated into two copies in French language.

 (III) - Must conclude one or more claims that formally define the invention and determine the scope of protection.

      b) _ Abstract

           Abstract shall briefly describe the main points of the invention and must be not exceeds 15 lines.

        c) - Drawing if needed

           To illustrate more clearly the invention into two copies.

        d) - Declaration by the applicant is requested if the applicant or applicants were not the inventors (article 10).

        e) - Declaration of priority

           If the applicant claims the right of priority a national application in Algeria must be filed within 12 months from the date of

           filing of the earliest application in any country of Paris Union (article 23).

           a declaration of priority and payment of priority fees is Requested at the moment of filing, and a certificated priority

           Documents may be submitted within 03 months from the Algerian filing date.

          f) - Signed power of attorney

          g) - Payment of the prescribed fees


    Duration and Maintenance of Patent

      Patent is granted for twenty years from the date of application.

      In order to keep patents and patent application in force annuity fees must be paid in

      the prescribed time.

International Application   (PCT   Filing)

Algeria joined the PCT in March, 8th, 2000.

An international application can be filed with the INAPI acting as a receiving office by any national of a signatory state to the PCT or any person residing in such a state, application may also be filed with the International Bureau of the WIPO. The application has to be filed in accordance with the PCT formal requirements, and fees are to be paid to the office of filing.

Entry to the national phase all documents must be submitted to the INAPI as a designated the priority date.

Our Services  

We provide a full range of services according to patent:


 Comprehensive Patent searches as to the patentability and the state of the art.

a) - Patentability report: We provide our clients with a patentability report for their invention in order to determine whether the claimed invention  fall within the scope of the patentability subject matter according to our national law.

b) - Patent searches: We conduct full patent searches

     -  national patent search with the INAPI national patent database

     -  foreign patent search with the INAPI foreign patent database or other regional or international patent office ororganization in order to determine whether there are any documents, applications, patents closely related to the claimedinvention.

            Legal opinion and summary of the search report

             Application preparation and management

             Prosecutions and opposition


             Recording Assignments and license agreements

             Maintenance of the patent

             Patent infringement and litigations

             International application under the PCT

             PCT national phase procedures with the INAPI if Algeria is designated

             Translation document from 

                       -  English into French

                       -  English into Arabic

                       -  French into Arabic      


Contact us

Phone : +213 (0) 25 23 90 34
Fax : +213 (0) 25 23 90 34
Mobile : + 213 550 460 081 / 662 728 871
Email : &
: abaderov
Suivez nous sur

Useful Links


Algerian Institute of Industrial Property...


Algerian Copyright Office...


World Intellectual Property Organiztion...


Goods & Services Manager (Classification international)...