Tag: European Patent Convention (EPC)

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European Patent Validation

Effects of the European patent in Contracting State

The patent granted by the European Patent Office shall have the same effects, as the national patents granted in Contracting states.

The European patent shall have the effects in the Contracting State as from the date, when the grant of the European patent was announced in the European Patent Bulletin.

The proprietor of the patent shall be obliged to

  • submit to the Office the translation of the patent specification to the national language within 3 months since this date, and

  • to pay the administrative fee for the publication

In the same time, the proprietor of the patent shall be obliged to

  • submit to the Office the address in the Contracting State, where the official notifications concerning his patent are to be sent.


The Office shall announce the grant of the European patent in the Bulletin and publish the translation of the European patent specification.

If the translation of the European patent specification to the national language is not submitted within the period specified above, the proprietor of the European patent may submit it in the additional time limit of 3 months, provided that he will pay the administrative fee according to the special regulation.

If the translation of the European patent specification to the national language is not submitted even within the additional time limit according to the above paragraph, the European patent shall be considered in the Contracting State as null and void from the outset.

After the announcement of the grant of the European patent in the European Patent Bulletin, the Office shall enter the European patent to the National Register of European patents with the data.


Extent of protection from the European patent

The text of the European patent in the language of the proceedings before the European Patent Office shall be decisive for the determination of the extent of protection conferred by the European patent; nevertheless, if the extent of protection conferred by the translation of the patent specification, submitted to the National Office of the Contracting State is narrower than in the language of proceedings, third parties can refer to this translation.

The proprietor of a European patent is entitled to submit to the Office the corrected translation of the European patent specification to the national language. The corrected translation shall have effects instead of the original translation as from the publication of the corrected translation by the National Office; the proprietor of the European patent shall pay the fee for the publication according to special regulations.

The rights of third persons, which on the territory of the Contracting State in good faith have used or have realised serious and effective preparations to use the subject-matter, which pursuant to the translation valid in the period before the publication of the corrected translation by the National Office was not covered by the extent of this European patent, are not affected by the delivery of the new translation.


Prohibition of the simultaneous protection

If the national patent is granted to the invention, to which the European patent has been granted with the same right of priority to the same proprietor of the patent or his successor in title, the national patent shall cease to have effect to the extent that it is identical with the European patent, from the date, on which the period for filing the notice of opposition to the European patent expires without such notice being filed, or the date of entry into force of the decision, by which the European patent has been maintained in the opposition proceedings.

The national patent shall not have effects to the extent that it is identical with the European patent, if it was granted after the expiry of the period for filing the notice of opposition to the European patent without such notice being filed, or after the date of entry into force of the decision, by which the European patent has been maintained in the opposition proceedings.

The provisions mentioned in the above two paragraphs shall not be affected by the revocation of the European patent.

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European Patent

Term of the European patent

The term of the European patent shall be 20 years from the date of filing of the application.

Nothing in the preceding paragraph shall limit the right of a Contracting State to extend the term of a European patent, or to grant corresponding protection which follows immediately on expiry of the term of the patent, under the same conditions as those applying to national patents: 

(a) in order to take account of a state of war or similar emergency conditions affecting that State; 

(b) if the subject-matter of the European patent is a product or a process for manufacturing a product or a use of a product which has to undergo an administrative authorisation procedure required by law before it can be put on the market in that State. 

It shall apply mutatis mutandis to European patents granted jointly for a group of Contracting States.


Rights conferred by a European patent

A European patent shall confer on its proprietor from the date on which the mention of its grant is published in the European Patent Bulletin, in each Contracting State in respect of which it is granted, the same rights as would be conferred by a national patent granted in that State.

If the subject-matter of the European patent is a process, the protection conferred by the patent shall extend to the products directly obtained by such process.

Any infringement of a European patent shall be dealt with by national law. 

The European patent application and the resulting European patent shall be deemed not to have had, from the outset to the extent that the patent has been revoked or limited in opposition, limitation or revocation proceedings.


Extent of protection

The extent of the protection conferred by a European patent or a European patent application shall be determined by the claims. Nevertheless, the description and drawings shall be used to interpret the claims.

For the period up to grant of the European patent, the extent of the protection conferred by the European patent application shall be determined by the claims contained in the application as published. However, the European patent as granted or as amended in opposition, limitation or revocation proceedings shall determine retroactively the protection conferred by the application, in so far as such protection is not thereby extended.

In any designated Contracting State a European patent application and a European patent shall have with regard to a national patent application and a national patent the same prior right effect as a national patent application and a national patent. A national patent application and a national patent in a Contracting State shall have with regard to a European patent designating that Contracting State the same prior right effect as if the European patent were a national patent. Any Contracting State may prescribe whether and on what terms an invention disclosed in both a European patent application or patent and a national application or patent having the same date of filing or, where priority is claimed, the same date of priority, may be protected simultaneously by both applications or patents. 

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The European Patent Application as an Object of Property

A European patent application may be transferred or give rise to rights for one or more of the designated Contracting States.

An assignment of a European patent application shall be made in writing and shall require the signature of the parties to the contract. 

A European patent application may be licensed in whole or in part for the whole or part of the territories of the designated Contracting States.

Unless Convention provides otherwise, the European patent application as an object of property shall, in each designated Contracting State and with effect for such State, be subject to the law applicable in that State to national patent applications.

Where the applicants for or proprietors of a European patent are not the same in respect of different designated Contracting States, they shall be regarded as joint applicants or proprietors for the purposes of proceedings before the European Patent Office. The unity of the application or patent in these proceedings shall not be affected; in particular the text of the application or patent shall be uniform for all designated Contracting States, unless Convention provides otherwise. 


Revocation of European patents

A European patent may be revoked with effect for a Contracting State only on the grounds that:

(a) the subject-matter of the European patent is not patentable under Convention;

(b) the European patent does not disclose the invention in a manner sufficiently clear and complete for it to be carried out by a person skilled in the art; 

(c) the subject-matter of the European patent extends beyond the content of the application as filed or, if the patent was granted on a divisional application or on a new application filed, beyond the content of the earlier application as filed;

(d) the protection conferred by the European patent has been extended; or 

(e) the proprietor of the European patent is not entitled.

If the grounds for revocation affect the European patent only in part, the patent shall be limited by a corresponding amendment of the claims and revoked in part.

In proceedings before the competent court or authority relating to the validity of the European patent, the proprietor of the patent shall have the right to limit the patent by amending the claims. The patent as thus limited shall form the basis for the proceedings. 

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Examination of European patent application

In proceedings before it, the European Patent Office shall examine the facts of its own motion; it shall not be restricted in this examination to the facts, evidence and arguments provided by the parties and the relief sought. The European Patent Office may disregard facts or evidence which are not submitted in due time by the parties concerned.

In proceedings before the European Patent Office the means of giving or obtaining evidence shall include the following: 

(a) hearing the parties; 

(b) requests for information; 

(c) production of documents; 

(d) hearing witnesses; 

(e) opinions by experts; 

(f) inspection; 

(g) sworn statements in writing.

The European Patent Office may, in accordance with the Implementing Regulations, invite the applicant to provide information on prior art taken into consideration in national or regional patent proceedings and concerning an invention to which the European patent application relates. If the applicant fails to reply in due time to an invitation, the European patent application shall be deemed to be withdrawn.

The European Patent Office shall examine, in accordance with the Implementing Regulations, whether the application satisfies the requirements for the accordance of a date of filing.

If a date of filing cannot be accorded, the application shall not be dealt with as a European patent application.

If the European patent application has been accorded a date of filing, the European Patent Office shall examine, in accordance with the Implementing Regulations as well as any other requirement laid down in the Implementing Regulations.

Where the European Patent Office in carrying out the examination notes that there are deficiencies which may be corrected, it shall give the applicant an opportunity to correct them.

If any deficiency noted in the examination is not corrected, the European patent application shall be refused unless a different legal consequence is provided for by this Convention. Where the deficiency concerns the right of priority, this right shall be lost for the application.

The European Patent Office shall, in accordance with the Implementing Regulations, draw up and publish a European search report in respect of the European patent application on the basis of the claims, with due regard to the description and any drawings.

The European Patent Office shall, in accordance with the Implementing Regulations, examine on request whether the European patent application and the invention to which it relates meet the requirements of this Convention. The request shall not be deemed to be filed until the examination fee has been paid.

If no request for examination has been made in due time, the application shall be deemed to be withdrawn.

If the examination reveals that the application or the invention to which it relates does not meet the requirements of the Convention, the Examining Division shall invite the applicant, as often as necessary, to file his observations and to amend the application.

If the applicant fails to reply in due time to any communication from the Examining Division, the application shall be deemed to be withdrawn.

An applicant claiming priority shall file a copy of the results of any search carried out by the authority with which the previous application was filed together with the European patent application, in the case of a Euro-PCT application on entry into the European phase, or without delay after such results have been made available to him. The copy shall be deemed to be duly filed if it is available to the European Patent Office and to be included in the file of the European patent application under the conditions determined by the President of the European Patent Office. The European Patent Office may invite the applicant to provide, within a period of two months, information on prior art.

Proceedings before the European Patent Office shall be interrupted: 

(a) in the event of the death or legal incapacity of the applicant for or proprietor of a European patent or of the person authorised by national law to act on his behalf. To the extent that the above events do not affect the authorisation of a representative as appointed, proceedings shall be interrupted only on application by such representative;

(b) in the event of the applicant for or proprietor of a patent, as a result of some action taken against his property, being prevented by legal reasons from continuing the proceedings; 

(c) in the event of the death or legal incapacity of the representative of an applicant for or proprietor of a patent, or of his being prevented for legal reasons resulting from action taken against his property from continuing the proceedings. 

When, in the cases, the European Patent Office has been informed of the identity of the person authorised to continue the proceedings, it shall notify such person and, where applicable, any third party, that the proceedings will be resumed as from a specified date.

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Applying for European Patent

General requirements

Persons entitled to apply for and obtain a European patent

A European patent application may be filed by any natural or legal person, or anybody equivalent to a legal person by virtue of the law governing it. 

A European patent application may also be filed either by joint applicants or by two or more applicants designating different Contracting States.

The inventor shall have the right, vis-à-vis the applicant for or proprietor of a European patent, to be mentioned as such before the European Patent Office. 

The right to a European patent shall belong to the inventor or his successor in title. If the inventor is an employee, the right to a European patent shall be determined in accordance with the law of the State in which the employee is mainly employed; if the State in which the employee is mainly employed cannot be determined, the law to be applied shall be that of the State in which the employer has the place of business to which the employee is attached.

If two or more persons have made an invention independently of each other, the right to a European patent therefor shall belong to the person whose European patent application has the earliest date of filing, provided that this first application has been published.

In proceedings before the European Patent Office, the applicant shall be deemed to be entitled to exercise the right to a European patent.

If by a final decision it is adjudged that a person other than the applicant is entitled to the grant of the European patent, that person may, in accordance with the Implementing Regulations: 

(a) prosecute the European patent application as his own application in place of the applicant; 

(b) file a new European patent application in respect of the same invention; or 

(c) request that the European patent application be refused.

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