Discuss in detail various grounds available for revocation of Patents.
the grounds under which a patent may be revoked under s. 64 (1). There are in all 17grounds listed in the section. Broadly they may be grouped under three heads as follows:
Grounds relating to the rights of the patentee and his conduct.
1.Patentee not entitled to the patent-----s. 64 (1) (b)
.2.Patent wrongfully obtained as against the person entitled---s. 64 (1) (c).
3.Patent obtained by false suggestion or representation----s. 64 (1) (j).
4.Failure to disclose information regarding foreign applications — s. 64 (1) (m)
5.Noncompliance with directions for secrecy---s. 64 (1) (n).
6.Amendment of specification obtained by fraud---s. 64 (1) (o).
Grounds relating to the invention and its quality.
1.Subject of a claim not an invention---s. 64 (1) (d)
2.Subject of a claim not a patentable invention---s. 64 (1) (k)
3.Invention claim was secretly used before the priority date--- s. 64 (1) (l)
4.Invention has claimed already the subject of a prior grant----s. 64 (1) (a)
5.Invention lacks novelty having regard to prior knowledge or prior use---s. 64 (1) (e).
6.Invention is obvious or does not involve an inventive step having regard to prior knowledge orprior use---s. 64 (1) (f).
7.Invention not useful-----s. 64 (1) (g).
8.The invention claimed was anticipation having regard to the knowledge, oral or otherwisewithin any local or indigenous community in India or elsewhere, ---s. 64 (1) (q).
Grounds relating to a description of the invention.
1.Invention not sufficiently described----s. 64 (1) (h).
2.Claims not clearly defined and not fairly based — s. 64 (1) (I).
3.The complete specification does not disclose or wrongly mention the source or geographical originof biological material used for the invention---s. 64 (1) (p).
1.Patent granted to persons not entitled to apply.
Section 64 (1) (b). ―The
patent was granted on the application of a person not entitled under theprovisions of this Act to apply
‖. The true and first inventor or his legal representative or assignee was not the applicant or one of theapplicants for the patent are entitled to apply for patents. If the application for the patent was made by anyother person other than those entitled, the patent is obviously bad as being contrary to the provisions of sec.6,A person who was the communicate or the first importer of the invention in India
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