The document discusses patents and the patent system in India. It defines a patent as a government-granted intellectual property right given to an inventor to exclude others from commercially exploiting a new product or process for a limited period. It outlines the criteria for patentability - novelty, inventive step, and industrial applicability. It also summarizes the types of patent applications under the Indian Patents Act of 1970 as amended in 2005, the process for filing a patent application, and key aspects of patent specifications and international treaties governing patents.