Industrial and Commercial Property (Protection) Act, 1927

Restriction on damages where specification amended.

39.—Where an amendment of a specification by way of disclaimer, correction, or explanation, has been allowed under this Act, no damages shall be given in any action in respect of the use of the invention before the date of the decision allowing the amendment, unless the patentee establishes to the satisfaction of the court that his original description was framed in good faith and with reasonable skill and knowledge.