First Publication Date: 20th December 2009
The case related to a patent in respect of the manufacture of new sulphonyl-ureas, salts of those compounds and of anti-diabetic preparation containing such compounds. One of the chemical compounds comprised in the said patent was Tolbutamide, and since 1957 the patent holder had been marketing the same as an anti-diabetic drug in India and all over the world under the trade mark "Rastinon". The patent holder filed an infringement suit against the Respondents…
First Publication Date: 18th December 2009
In this case, the Appellant, Laxmi Dutt Roop Chand, was the patent holder of a patent relating to the process of manufacture of hollow wares, such as 'lotas', 'batwas', 'degchis', 'batlois' and so on. The Appellant filed a patent infringement suit against the Respondents, Nankau and others, claiming that their process of manufacturing hollow wares violates the patents held by the Appellant and prayed for a permanent injunction restraining the Respondents from…
First Publication Date: 14th December 2009
In a recent case involving Chemtura Corporation, Union of India and Others, the Delhi Court interpreted the scope of government use exemption under Section 47 of the Patents Act. The patent holder in the case, Chemtura, filed a patent infringement suit against Union of India and others with respect to an invention concerning side bearing pad assembly and sought a temporary injunction during the pendency of the suit. The infringement action was filed…
First Publication Date: 15th December 2009.
This case can be considered to be the most important case in inventive step jurisprudence in India. Though the case was decided in 1978, the principles laid down in the case are followed even today and have been codified in the Indian Patent Act.
The patent in the case related to a means for holding utensils for turning purposes . According to a preferred feature of the invention disclosed in the patent, the pressure end of…
First Publication Date: 14th December 2009
The litigation between Bajaj and TVS, which was very widely reported in the news showed the value of patents for gaining business advantage. The case briefs with respect to the litigation between the parties have been provided hereunder for the reader’s benefit. The cases relate to grant of injunction by the Court.
Bajaj Auto Vs. TVS Motor Company
Bajaj Auto Ltd. ("Bajaj") acquired a patent with regard to an invention relating to…
First Publication Date: 9th December 2009.
Asian Electronics Ltd v/s Jumbo Electric Company (Delhi High Court, 12th November, 2009)
Facts of the case:
Asian Electronics (hereinafter referred to as the plaintiff) is the holder of an Indian patent 193488, which talks about a kit for converting a fluorescent lighting fixture from inductive operation to electronic operation. The corresponding US patent can be seen here. The plaintiff stated that Jumbo Electric Company (hereinafter referred to as the defendant) was manufacturing and selling the identical…
First Publication Date: 11th December 2009
Section 3(d) of the Patents Act provides that mere Discovery of a new form or new use or new property of a known substance is not patentable. The discovery of a new form of a known substance will be patentable only if it results in the enhancement of the known efficacy of that substance. Salts, esters, ethers, polymorphs, metabolites, pure forms, particle size, isomers, mixtures of isomers, complexes, combinations and other derivatives of…
First Publication Date: 9th December 2009
The case related to infringement of a patent relating to a process concerning the double metal salt of HCA. During the pendency of the suit, the court ordered for the analysis of the processes of the product called Double Metal Salt of Hydroxycitric Acid of the parties in the case by the Department of Chemistry of IIT, Madras. The objective of the analysis was to check if the alleged infringer’s process was different from that…
First Publication Date: 3rd December 2009
Global Findability has filed a patent infringement suit in a District Court of Columbia against Summit Entertainment claiming that the Science Fiction movie of Summit violates its US patent relating to Integrated information processing system for geospatial media. According to Global Findability, Summit's use of its patented technology in the movie, Knowing, amounts to patent infringement. Would such an use be infringement in India?
Section 48 of the Indian Patents Act provides that a patent holder…
First Publication Date: 8th December 2009.
An invention will be eligible to get a patent only if it satisfies the patentability requirements, which are patentable subject matter, industrial applicability/utility, novelty, non-obviousness/inventive step and specification. The government uses the patentability requirements to verify the worthiness of an invention for patent grant. The patentability requirements are like filters arranged in succession as shown in the figure below.
Figure - Kalyan's Patent Filter Model
A patent will be granted over an invention only if it passes…