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113. Certificate of validity of specification and costs of subsequent suits for infringement thereof.—

[(1) If in any proceedings before the [Appellate Board] The words “the Appellate Board or” omitted by Act 33 of 2021, s. 13 (w.e.f. 4-4-2021) or a High Court for the revocation of a patent under section 64 and section 104, *The words “as the case may be” omitted by s. 13, ibid. (w.e.f. 4-4-2021),  as the case may be, the validity of any claim of a specification is contested and that claim is found by the Appellate Board or the High Court to be valid, the [Appellate Board]The words “the Appellate Board or” omitted by Act 33 of 2021, s. 13 (w.e.f. 4-4-2021) or the High Court may certify that the validity of that claim was contested in those proceedings and was upheld] Subs. by Act 15 of 2005, s. 59, for sub-section (1) (w.e.f. 2-4-2007)​

(2) Where any such certificate has been granted, then, if in any subsequent suit before a court for infringement of that claim of the patent or in any subsequent proceeding for revocation of the patent in so far as it relates to that claim, the patentee or other person relying on the validity of the claim obtains a final order or judgment in his favour, he shall be entitled to an order for the payment of his full costs, charges and expenses of and incidental to any such suit or proceeding properly incurred so far as they concern the claim in respect of which the certificate was granted, unless the court trying the suit or proceeding otherwise directs:

Provided that the costs as specific in this sub-section shall not be ordered when the party disputing the validity of the claim satisfies the court that he was not aware of the grant of the certificate when he raised the dispute and withdrew forthwith such defence when he became aware of such a certificate.

[(3) Nothing contained in this section shall be construed as authorising the courts or the [Appellate Board] The words “or the Appellate Board” omitted by Act 33 of 2021, s. 13 (w.e.f. 4-4-2021) hearing appeals from decrees or orders in suits for infringement or petitions for revocation, as the case may be, to pass orders for costs on the scale referred to therein] Subs. by Act 15 of 2005, s. 59, for sub-section (3) (w.e.f. 2-4-2007).