39Costs and security for costs
(1)The comptroller shall, in proceedings relating to an opposition to the grant of a patent or to an application for the amendment of a specification or the revocation of a patent, have power by order to award to any party such costs as he may consider reasonable, and to direct how and by what parties they are to be paid, and any such order may be made a rule of the court.
(2)If a party giving notice of opposition to the grant of a patent or to the amendment of a specification, or applying to the comptroller for the revocation of a patent, or giving notice of appeal from any decision of the comptroller, neither resides nor carries on business in the United Kingdom or the Isle of Man, the comptroller, or, in case of appeal to the law officer, the law officer, may require such party to give security for costs of the proceedings or appeal, and in default of such security being given may treat the proceedings or appeal as abandoned.