Double patenting is the protection of one single invention by two patents usually owned by the same proprietor. "It is an accepted principle in most patent systems that two patents cannot be granted to the same applicant for one invention". [1] However, the opinion of courts differ regarding this issue. [2] An invention an object, patent, process, or technique which displays an element of novelty. ... A patent is a set of exclusive rights granted by a state to a patentee (the inventor or assignee) for a fixed period of time in exchange for the regulated, public disclosure of certain details of a device, method, process or composition of matter (substance) (known as an invention) which...
References
^ Guidelines for Examination in the European Patent Office, C IV 6.4
^ Neil Thomson, Double Jeopardy And European Patents, Boult Wade Tennant web site, April 2001
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