Unity of invention and double patenting law and practice in Canada can create challenges for patent applicants. For example, applicants may not expect a unity of invention objection to be raised, ...

According to Article 33 of the Patent Law, invention patent applications should be filed on a case-by-case basis. Where two or more inventions are so linked that they form a single general inventive ...

Canada recently introduced patent rules related to excess claim fees and continued examination fees that have the potential to complicate conventional approaches to filing divisional patent ...

Unity being a question of fact, what may be regarded as a single invention is generally decided by the patent examiners on a case-by-case basis, yet in different industries the various provisions of ...