
Patent laws in India are governed by the provisions of the Patents Act, 1970, and its subsequent amendments. The history of patent law in India dates back to the Indian Patents and Designs Act of 1911, which was enacted during British rule. The Patents Act of 1970, along with the Patent Rules of 1972, came into force in April 1972, introducing process patents for inventions related to drugs, food, and chemicals. The Act has since been amended multiple times, notably in 1999, 2002, 2005, and 2006, to comply with international agreements and extend product patents to all fields of technology. In India, patents are granted for inventions that are novel, involve an inventive step, and are capable of industrial application. The term of a patent is 20 years from the date of filing the application. The patent system in India is administered by the Controller General of Patents, Designs, Trademarks, and Geographical Indications, with offices in Kolkata, Delhi, Mumbai, and Chennai.
| Characteristics | Values |
|---|---|
| Basis | The Indian Patent and Design Act, 1911 |
| Current Governing Law | Patents Act, 1970, Patents (Amendment) Act, 2005, and Patents Rules, 2006 |
| Governing Body | Office of the Controller General of Patents, Designs and Trade Marks (CGPDTM) |
| Head Office | Kolkata |
| Branch Offices | Delhi, Mumbai, and Chennai |
| Patent Duration | 20 years from the date of filing the application |
| Patent Criteria | Novelty, Inventive Step, and Capable of Industrial Application |
| Non-Patentable Inventions | Frivolous inventions, inventions against public order or morality, or those causing harm to the environment |
| Patentable Inventions | New products or procedures involving inventive steps and capable of industrial use |
| Notable Amendments | Patents (Amendment) Act, 1999; Patents (Amendment) Act, 2002; Patents (Amendment) Act, 2005 |
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What You'll Learn

Patent law history in India
The history of patent law in India can be traced back to the British colonial period, with the first patent legislation introduced under the Patents and Designs Act of 1856. This Act was designed to protect the interests of British industrialists and facilitate technological developments in the Empire, primarily dealing with granting patents on industrial process inventions and designs. The framework for granting patents in India initially followed British patent laws, with early patent systems controlling the monopoly issued to inventors to ensure technological advances in the colonies.
The Indian Patents and Designs Act of 1911 was a significant step towards modernizing patent law in India, replacing the 1856 Act. Influenced by the British Patents Act of 1907, it provided for patents for inventions and designs that were novel, useful, and not obvious.
Following independence, Indian patent law reforms have focused on domestic innovation, public health, and equal access to technology. A key milestone was the Patents Act of 1970, which marked a shift from a colonial framework towards an accessible and balanced system. Major reforms were also introduced in response to the TRIPS Agreement in 1995, with India's patent system evolving to balance the protection of intellectual property rights with the public interest in issues of public health.
The transformation of India's patent system has been influenced by both domestic needs and international developments, including the country's commitments under the World Trade Organization (WTO) and the Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS). This legal history reflects India's journey towards becoming a global scientific-technological and innovative state, influencing the nation's economic development, particularly in knowledge-intensive sectors such as pharmaceuticals, biotechnology, and information technology.
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Patent eligibility requirements
Novelty
The invention must be novel, meaning it must not already exist. This includes improvements to previous inventions by the same inventor.
Inventive Steps
The invention must demonstrate inventive steps, meaning it should provide a new way of doing something or offer a new technical solution to a problem.
Capable of Industrial Application
The invention must be capable of industrial application, meaning it can be made or used in an industry. This includes inventions related to drugs, food, chemicals, and microorganisms.
Patentable Subject Matter
Not all inventions are patentable. Inventions that are explicitly excluded from patentability include:
- Methods of medical treatment or diagnosis
- New plant or animal varieties
- Inventions that are contrary to public order, morality, or environmental protection
- Scientific theories, mathematical methods, and aesthetic creations
- Computer software
Patent Application
To obtain a patent, technical information about the invention must be disclosed to the public in a patent application. The term of the patent is 20 years from the date of filing the application, irrespective of whether it is filed with a provisional or complete specification.
Patent Examination
Pharmaceutical and biotech patents undergo a stringent examination process in India. The grant of a patent does not guarantee its validity, and it can be challenged in court.
International Obligations
India's patent laws have been amended to comply with international obligations, particularly the Trade-Related Intellectual Property Rights (TRIPS) system. India is also a signatory to the Paris Convention and the Patent Cooperation Treaty.
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Patent rights and obligations
The Indian Patent Law grants patent rights for inventions that cover a new and inventive process, product, or article of manufacture. These inventions must satisfy patent eligibility requirements, including novelty, inventive steps, and the capability of industrial application. The term of every patent in India is 20 years from the date of filing the patent application. To obtain a patent, technical information about the invention must be disclosed to the public in a patent application.
The Patents Act, 1970, introduced the allowance of process patents in inventions related to drugs, food, and chemicals. The 2005 amendment to this Act extended product patents to all fields of technology, including food, medicine, chemicals, and microorganisms. It also introduced provisions to enable the grant of compulsory licenses and pre-grant and post-grant opposition.
Pharmaceutical and Biotech patents in India undergo a stringent examination process before being registered. If the patent is for a process, the patentee has the right to prevent others from using that process, using the product obtained by the process, offering it for sale, selling it, or importing the product into India. On the other hand, if the patent is for a product, the patentee has the right to prevent others from making, using, offering for sale, selling, or importing the patented product into India.
The Indian patent regime has evolved through three distinct periods: colonization, post-independence, and globalization. India's patent system was initially inherited from British rule, and after independence, the Indian Patents and Designs Act of 1911 was enacted, creating a system of patent administration under the Controller of Patents and Designs. India has since become a signatory to several international arrangements, including the Trade-Related Intellectual Property Rights (TRIPS) system, to strengthen its patent laws.
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Patent infringement and remedies
Patent infringement refers to the unauthorised use or manufacture of a patented invention without the consent of the patent owner. In India, the Patents Act, 1970 provides several remedies to address patent infringement, including injunctions, damages, and seizure, forfeiture or destruction.
Injunctions
In the context of patent infringement, an injunction is a court order that requires the infringing party to stop making, using, selling, or importing the infringing product. It is a preventative measure that aims to preserve the patent's value and prevent further harm to the patent holder. To obtain an injunction, the patent holder must prove that their patent is valid and has been infringed upon by the defendant. Injunctions can be temporary or permanent.
Damages
Damages are a remedy for patent infringement that compensates the patent holder for any harm suffered due to the infringing activity. Damages may be awarded as monetary compensation for lost profits or other financial losses. The main objective is to compensate the patent holder for their loss or injury. The general principle under Indian law is that damages are compensatory, aiming to restore the patent holder to the position they would have been in without the infringement.
Seizure, Forfeiture or Destruction
Courts may order that infringing items be seized, forfeited, or disposed of as deemed appropriate. This remedy ensures that infringing products are removed from the market and cannot cause further harm to the patent holder.
Account of Profits
Patent holders may request an account of profits, requiring the infringer to disclose and surrender any profits gained from the infringement. This remedy ensures that the patent holder receives fair compensation for the unauthorised use of their invention.
Challenges and Defences
While the above remedies are available, enforcing them can be challenging due to the complexity of India's legal system and the time required to resolve patent disputes. Businesses must proactively monitor for infringement and take legal action when necessary. Additionally, understanding the Indian patent law and available remedies is crucial for adequate protection of intellectual property rights.
Certain exceptions shield individuals or entities from being accused of patent infringement, such as experimental use for research or testing without commercial intent. Defences against infringement claims include challenging the validity of the patent, citing prior art or lack of novelty, or asserting non-infringement by arguing that their product or process does not meet all the patent's claims.
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Patent authorities in India
The Office of the Controller General of Patents, Designs and Trade Marks (CGPDTM), generally known as the Indian Patent Office, is the agency responsible for administering the Indian Patent Act. The Patent Office has its headquarters in Calcutta with branches in New Delhi, Chennai, and Mumbai. The office of the CGPDTM is based in Mumbai.
The Controller General supervises the Act's administration and offers advice to the government on related matters. The Patents Act has been amended several times, including in 1999, 2002, 2003, 2005, 2006, 2012, 2013, 2014, 2016, 2018, 2019, and 2020, to ensure compliance with Trade-Related Aspects of Intellectual Property Rights (TRIPS).
The Indian Patent Office has implemented a modernisation program with the first phase focusing on improving the working of the Patent Offices and addressing the backlog of applications. The second phase aims to achieve US patent examination efficiency.
The Patent Office has various employees, including Examiners of Patents & Design, who are mandated to search for prior art and report any objections to the Controller, who has the power to accept or reject these reports. Examiners have only recommending power, and their reports are not made public unless courts allow it.
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Frequently asked questions
Patent laws are a set of rules and regulations that govern the process of granting patents, which are exclusive rights given to inventors by the government to use, make and sell their inventions for a specific period.
The history of patent law in India dates back to the Indian Patents and Designs Act of 1911, enacted during British rule. The current Patents Act of 1970 came into effect in 1972, amending and consolidating previous legislation. It has since been amended multiple times, with significant changes in 1999, 2002, 2005, and 2006.
There are three types of patents recognised in India: utility patents, design patents, and plant patents. Utility patents protect the function of a composition, machine, or process, while design patents and plant patents offer specific protections in their respective areas.
To obtain a patent in India, an invention must satisfy three criteria: novelty, inventive step, and industrial application. The invention must be new, involve an inventive process, and be capable of industrial application or provide a new technical solution to a problem.
Inventions that are not patentable in India include those that are frivolous or contrary to natural laws, public order, or morality. Additionally, mere discoveries, scientific theories, mathematical methods, aesthetic creations, and certain computer software are also excluded from patent protection.
















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