Filing a patent in India involves both government and professional fees, which vary depending on the applicant's category (individual, startup, small entity, or large entity) and the complexity of the invention. Here's a breakdown of the costs as of 2025:([Mondaq][1]) Government Fees: Filing a Patent Application (up to 30 pages and 10 claims): Individuals, Startups, Small Entities, Educational Institutions: ₹1,600 Large Entities: ₹8,000([Mondaq][1]) Additional Charges: ₹160 per extra page beyond 30 pages ₹320 per extra claim beyond 10 claims([BankBazaar][2]) Request for Examination: Individuals, Startups, Small Entities: ₹4,000 Large Entities: ₹20,000([Razorpay][3]) Request for Expedited Examination: Individuals, Startups, Small Entities: ₹8,000 Large Entities: ₹60,000 Publication and Grant: Individuals, Startups, Small Entities: ₹2,500 Large Entities: ₹12,500([Razorpay][3]) Professional Fees: Patent Drafting and Filing: ₹10,000 to ₹75,000, depending on complexity Responding to Examination Reports: ₹10,000 to ₹35,000([Law Republic][4]) Patent Grant Processing: ₹1,000 to ₹5,000 Total Estimated Cost: Individuals, Startups, Small Entities: Approximately ₹30,000 to ₹80,000 Large Entities: Approximately ₹50,000 to ₹1,50,000([Razorpay][3]) Discounts and Concessions: Startups: Eligible for an 80% discount on filing fees under the Startup India scheme. ([The Legal School][5]) Small Entities: Eligible for a 50% reduction in filing, examination, and maintenance fees compared to large entities. ([The Legal School][5]) Educational Institutions: Government fees are reduced by 80%, making the patenting process more affordable for students and academicians. ([Zatapult][6]) Renewal Fees (Post-Grant): 3rd to 6th Year: ₹800 for Individuals, Startups, Small Entities, Educational Institutions ₹4,000 for Large Entities([Law Republic][4], [Razorpay][3]) 7th to 10th Year: ₹2,400 for Individuals, Startups, Small Entities, Educational Institutions ₹12,000 for Large Entities 11th to 15th Year: ₹4,800 for Individuals, Startups, Small Entities, Educational Institutions ₹24,000 for Large Entities 16th to 20th Year: ₹8,000 for Individuals, Startups, Small Entities, Educational Institutions ₹40,000 for Large Entities Professional fees for patent renewal range from ₹2,000 to ₹10,000 per year, depending on the service provider. ([Law Republic][4]) These costs are indicative and can vary based on the complexity of the invention and the service provider chosen. It's advisable to consult with a registered patent agent or firm to obtain a precise estimate tailored to your specific needs.