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The European Patent Convention

 
 

Article 133[ 150 ], [ 151 ]
General principles of representation

(1)
Subject to paragraph 2, no person shall be compelled to be represented by a professional representative in proceedings established by this Convention.
(2)
Natural or legal persons not having their residence or principal place of business in a Contracting State shall be represented by a professional representative and act through him in all proceedings established by this Convention, other than in filing a European patent application; the Implementing Regulations may permit other exceptions. 
(3)
Natural or legal persons having their residence or principal place of business in a Contracting State may be represented in proceedings established by this Convention by an employee, who need not be a professional representative but who shall be authorised in accordance with the Implementing Regulations. The Implementing Regulations may provide whether and under what conditions an employee of a legal person may also represent other legal persons which have their principal place of business in a Contracting State and which have economic connections with the first legal person. 
(4)
The Implementing Regulations may lay down special provisions concerning the common representation of parties acting in common. 
 
Amended by the Act revising the European Patent Convention of 29.11.2000. 
See decisions of the Enlarged Board of Appeal G 2/94, G 4/95, G 3/99 (Annex I).
References

Art. 90, 134, 134a, 144
R. 41, 76, 126, 130, 142, 143, 151-154