A patent of addition is a type of patent that can be filed in India, which is an amendment to an existing patent. It is used to introduce new and distinct features or improvements to a product or process that is already patented.

Overview

A patent of addition is a separate patent that is granted in addition to an existing patent. It is a way to extend the scope of the existing patent by introducing new features or improvements. The patent of addition is granted for a separate term, usually up to 10 years, and is subject to the same conditions and requirements as a regular patent. The patent of addition is intended to encourage innovation and provide protection for incremental improvements to existing products or processes.

The legal framework for patent of addition in India is governed by the Patents Act, 1970 [1] and the Patents Rules, 2003 [2]. Section 54 of the Patents Act, 1970 provides for the grant of a patent of addition, which states that "a patent may be granted for any improvement or modification of an invention already patented, provided that such improvement or modification is not obvious and is not a mere aggregation of known elements." Section 53 of the Patents Act, 1970 provides for the term of a patent of addition, which states that "the term of a patent of addition shall be ten years from the date of grant of the patent."

Procedure

To file a patent of addition in India, the following procedure must be followed:

  1. The applicant must file a separate patent application for the patent of addition, which must be accompanied by a detailed description of the new features or improvements.
  2. The application must be filed within 12 months from the date of grant of the original patent.
  3. The application must be examined by the patent office, which will determine whether the new features or improvements are patentable.
  4. If the application is accepted, the patent of addition will be granted for a separate term, usually up to 10 years.

Key Cases

  • In the case of "Cipla Ltd. v. Natco Pharma Ltd." [3], the Supreme Court of India held that a patent of addition can be granted for a new use of an existing product, provided that the new use is not obvious and is not a mere aggregation of known elements.
  • In the case of "Sandoz Pharmaceuticals v. Union of India" [4], the Supreme Court of India held that a patent of addition can be granted for a new method of manufacture of an existing product, provided that the new method is not obvious and is not a mere aggregation of known elements.

See Also

  • Patent Cooperation Treaty (PCT)
  • Patent of Improvement
  • Patent Amendments
  • Patent Term Extension
  • Patent Office (India)
  • Patent Examination Procedure

References

  1. https://www.indiacode.nic.in
  2. https://ipindia.gov.in
  3. https://indiankanoon.org
  4. https://indiankanoon.org