Indian Pharmaceutical Industry is considered highly progressive in the field of drug manufacturing and technology. Today India has the global presence in the field of generic drugs and hence protecting the new drugs combinations and its process by means of intellectual property rights (IPR).
Patenting the innovation has played a pivotal role in the economic growth of India. Economists have long established a connection between research and development (R&D) expenditures and innovation, as measured by patenting activity. However, patenting in the pharmaceutical industry is quite unlike other industries because the patent is the product itself (a new drug) which is the result of cost involved in R&D and extensive clinical testing. Factors such as protection of intellectual property (e.g. patent) are increasing in significance due to the growing recognition of the need to ensure protection of valuable investments in research and development (R&D). Various efforts have been taken by India to check problems of weak enforceability of existing intellectual property legislations, and the Indian government is regularly implementing new amendments in Indian patent laws to establishing a good patent system that is beneficial to technological advances and in keeping with its global commitments. Understanding different types of patents are equally important for the innovators and the generic counterparts.
Drug product patent: This patent claims the active pharmaceutical substance or its intermediate as a new chemical entity. Product patent gives higher level of protection to the inventor as no other manufacturer can provide the same product through the same or any other process. In pharmaceutical patents term ‘composition of matter’ also denotes a product claim.
Product by process patent: This type of patent claims a chemical or other process used to manufacture the drug whenever the drug is made by the patented process and also confers protection against the importation of a product. However, the drug can be made and sold if another company can devise a commercially viable process not covered in the patent.
Process patent: This patent claims the chemical or other process used to manufacture the drug. The chemical product itself is not covered. There is high possibility for competitors to redesign the original invention by discovering a new process with less strain and investment.
Formulation patent: This patent claims the pharmaceutical dosage form on the drug, commonly also known as a composition but not to be confused with ‘composition of matter’ (see previously). There may also be formulation process patents covering the manufacturing processes used to make the formulation.
Patents on different crystal forms: Many compounds exist in different crystal forms or polymorphic forms. These different crystals may have different pharmaceutical properties such as solubility and bioavailability. Patents on crystal forms (polymorphs) are becoming increasingly popular as another method to block or delay generic entry.
Method of use: This covers the use of the drug to treat a disease. This type of patent claims generally not allowed in India but in few cases, it may be allowed. Remember that not all types of claim are allowed in India.
Technology Patents: These patents are based on the techniques used to solve specific technology related problems like stabilization, taste masking, increase in the solubility, purification etc.
Patent, in pharmaceutical area, refers to the legal protection for the inventors’ inventions, including new and useful medicines or drugs discovered by the research-based pharmaceutical firms. The patent rights on drugs mean that only the patentee can manufacture, use, and sell the patented drug. The patent can also provide solutions for technical issues, but to obtain those benefits by getting the invention patented, the inventors should ensure that their ideas satisfy the criteria of patentability.
Patent offers technical solution to a technical problem. Patent is granted only to those inventions which satisfies certain conditions known as criteria of patentability. The basic criteria for patentability in India are as follows:
The India patent law is an excellent patent legislation that is aimed to balance the interests of common man and the inventors. It is very important for pharmaceutical companies to obtain patent protection for their products in order to recover the investments. It is widely accepted that patents are a fundamental incentive to innovative activities in pharmaceuticals industry, hence it needs to be protected. Indian Patent Law is generally supporting the national technological and industrial strategies.