Simple change resulting in unpredictable advantages of a product is ‘invention’ under Patents Act

Avery Dennison Corporation Vs Controller of Patents And Designs (Delhi High Court) A simple change resulting in unpredictable advantages of a product would come under the ambit of ‘invention’ under Patents Act Conclusion: Delhi High Court on the issue of invention under Patents Act, 1970 observed that one of the sure tests in analysing the existence of inventive step would also be the time gap between the prior art document and the invention under consideration. If a long time has passed since the prior art was published and a simple change resulted in unpredictable advantages whic...