Every complete specification shall:
fully and particularly describe the invention and its operation or use and the method by which it is performed.
disclose the best method of performing the invention which is known to the applicant for which he is entitled to claim protection.
end with a claim or set of claims defining the scope of the invention for which the protection is claimed.
refer to the deposit of the biological material in the international depository authority, if applicable; and
be accompanied by an abstract.
The Complete Specification is a technical as well as a legal document that fully and particularly describes the invention and discloses the best method of performing the invention.
As the Complete Specification is an extremely important document in the patent proceedings it is advised that it should be drafted with utmost care without any ambiguity.
The disclosure of the invention in a complete specification must be such that a person skilled in the art should be able to perform the invention.
The Patents Act, 1970 specifically requires that the complete specification must describe the best method of performing the invention known to the applicant, including that, which he may have acquired during the period of provisional protection before the date of filing the complete specification.