Frequently Asked Questions
on Patents
Q. What is patentable?
An invention relating to a product or process that is
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New,
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Involves an inventive step, and
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Is capable of industrial applicability.
Q. What is not patentable?
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Frivolous inventions, contrary to law, morality, or public order;
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Pure scientific discoveries or abstract theories;
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Mere mixtures of known substances, or the mere arrangement or re-arrangement or duplication of known devices;
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Methods of agriculture or horticulture;
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Inventions based on traditional knowledge;
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Methods of medical treatment or diagnostics;
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A mathematical method or business method or computer program per se or algorithms;
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Mere discovery of a new form of a know substance, new property, or new use of known substances (unless showing enhanced efficacy); and
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Inventions related to atomic energy.
For a complete list of inventions that are not patentable in India, please see link
Q. What types of patent applications can be filed in India?
The Indian Patent Office (“IPO”) accepts the following types of patent applications:
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Ordinary Application (which includes a provisional application and complete specification),
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Convention Application,
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PCT International Application,
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Divisional Application, and
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Patent of Addition.
Q. What are the patent treaties that India has ratified?
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Patent Cooperation Treaty (PCT): India has a 31 month due date for PCT National Phase filings; and
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Paris Convention: A priority claim is possible within 12 months from the earliest filed home country application.
Q. What is the process of obtaining a patent?
See below for the major steps:
Q. What are the documents required to complete a patent application?
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Proof of right to file an application from the inventor(s);
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Patent specifications with claims and necessary drawings;
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Information related to foreign patent applications with respect to the same/similar invention;
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A declaration from the inventor(s) stating they are the true and only inventor(s) of the invention;
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Original signed Power of Authority from the applicant in the name of agent(s);
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A priority document if relevant; and
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Certified translated documents where any of the above documents are not in English.
Q. Are there any fee concessions available for certain types of applicants?
There is a reduced official fee for the following types of applicant(s): natural persons, start-ups, small entities, and educational institutions.
Q. How long does it take for a patent grant?
3 to 5 years.
Q. What is the term of a patent?
A patentee enjoys the exclusive right for 20 years from the date of filing or priority, whichever is earlier.

