The Patents Rules 2007

Amendment of specification after grant

35.—(1) An application by the proprietor of a patent for the specification of the patent to be amended must—

(a) be made in writing;

(b) identify the proposed amendment; and

(c) state the reason for making the amendment.

(2) The application must, if it is reasonably possible, be delivered to the comptroller in electronic form or using electronic communications.

(3) The comptroller may, if he thinks fit, direct the proprietor to file a copy of the specification with the amendment applied for marked on it.

(4) Where the specification of a European patent (UK) was published in a language other than English, the proprietor must file a translation into English of the part of the specification which he is applying to amend and a translation of the amendment.

(5) The comptroller may, if he thinks fit, direct the proprietor to file a translation into English of the specification as published.

(6) Where the court or the comptroller allows the proprietor of a patent to amend the specification of the patent, the comptroller may direct him to file an amended specification which complies with the requirements of Schedule 2.