Process for invalidating a patent

03 Apr

The contains a yearly list of the largest PCT filers.

process for invalidating a patent-31process for invalidating a patent-3

Some ISAs also provide for a reduction of the international search fee if the applicant or applicants are nationals or residents from certain countries (see Annex D of the ).These frequently asked questions about the Patent Cooperation Treaty (PCT) outline the PCT procedure from an applicant’s perspective.For specific questions, further information and contact points, see Question 29.Some national or regional Offices provide for fee reductions for natural persons, universities, not-for-profit research institutes and small and medium-sized enterprises (SMEs) for the fees you will need to pay as you enter the national phase (see respective National Chapters of the ).You have, in most cases, up to an additional 18 months from the time you file your international patent application (or usually 30 months from the filing date of the initial patent application of which you claim priority – see Question 11) before you have to begin the national phase procedures with individual patent Offices and to fulfill the national requirements (see Question 26).