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At Petax Filings, we help innovators and businesses across Tamil Nadu secure legal protection for their inventions through hassle-free patent registration. A registered patent not only protects your idea but also enhances your credibility in the market, making it easier to attract investors, partners, and clients.
Take the first step toward securing your intellectual property today!
A patent is a legal right granted by the Government of India to an inventor for a new invention or innovation. It provides exclusive rights to make, use, sell, and distribute the invention for a period of 20 years, preventing others from copying or using it without permission.
Patent registration in India involves filing your invention with the Indian Patent Office under the Indian Patent Act, 1970. Once registered, it offers full legal protection and gives the inventor proprietary rights over their creation. In Tamil Nadu, applications are processed through the Chennai Patent Office.
You can register a patent for:
Scientific discoveries
Abstract theories
Business methods or gaming rules
Aesthetic creations (art, music, literature)
Inventions harmful to public, animals, or environment
Anything contrary to public morality
Conduct a prior art search to ensure your invention is unique.
Prepare provisional or complete patent documents (Form-2).
Submit Form-1 along with other relevant forms at the Chennai Patent Office.
The application is published in the official journal after 18 months.
File Form-18 to initiate examination. Respond to objections if any.
Once approved, the Indian Patent Office issues a certificate.
Renew your patent annually after the 3rd year to maintain protection.
For Tamil Nadu-based applicants, the Chennai Patent Office handles applications from:
Category | Govt Fee (INR) |
Individuals/Startups | ₹1,600 |
Small Entities | ₹4,000 |
Large Companies | ₹8,000 |
No, Indian patents are valid only within India. However, you can apply for international protection via the Patent Cooperation Treaty (PCT) within 12 months of filing in India.
Petax Filings simplifies the Patent Registration process with expert guidance at every stage:
With over 50,000+ successful registrations, Petax Filings is your trusted partner for intellectual property protection in Tamil Nadu.
FAQ
A patent is an exclusive legal right granted to inventors for a new invention or process. It ensures that no one else can make, use, or sell the invention without permission, offering protection and commercial benefits.
Any individual, startup, small entity, company, or legal representative of an inventor can apply for a patent in India.
Inventions that are novel, involve an inventive step, and are capable of industrial application can be patented. This includes machinery, software with technical application, processes, chemical compounds, and biotech innovations.
Abstract ideas, business methods, scientific theories, discoveries, algorithms, and inventions contrary to public order or morality cannot be patented under Indian law.
Yes, once granted, a patent is valid across all states and union territories in India, including Tamil Nadu.
On average, it takes 2 to 3 years for a patent to be granted, depending on the complexity of the invention and the examination process.
A patent is valid for 20 years from the date of filing, subject to timely annual renewals.
Yes, patents must be renewed annually starting from the third year until the 20th year. Non-renewal may result in lapse of the patent.
Yes, Petax Filings offers complete online patent registration services in Tamil Nadu—no physical visit is required.
Yes. You must file an international application under the Patent Cooperation Treaty (PCT) within 12 months of your Indian patent filing to seek protection abroad.
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