The Inventive Edge - July 2024
THOUGHT LEADERSHIP
Biopiracy – Can the international treaty combat this?
[Contributors: Meera Gupta]
A treaty relating to Intellectual Property, Genetic Resources and Traditional Knowledge Associated with Genetic Resources was proposed recently by WIPO and has been adopted by majority of member states.
This treaty is fundamental in upholding the rights of countries rich in biodiversity and traditional wisdom of global South such as India, Sri Lanka, Africa, South America, etc. and safeguarding from institutional “Biopiracy”. Biopiracy involves unethical or unlawful appropriation or commercial exploitation of biological materials (such as medicinal plant extracts) that are native to a particular country or territory without providing fair financial compensation to the people or government of that country or territory.
Many international events related to institutional biopiracy led to this treaty where a patent was issued without consideration of traditional knowledge or originality. ‘Brazzein’, a super-sweet protein extracted from the berries of a West African plant, Pentadiplandra brazzeana was patented by US scientists. In 1994, Larry Proctor, the owner of a small seed company and president of POD-NERS, L.L.C. patented Enola bean variety and claimed exclusive monopoly on any dry bean having a seed colour of a particular shade of yellow. It costed the Mexican government $200,000 in legal fees to challenge the validity of the patent.
An American firm registered a patent in the US for an insecticide extracted from Neem tree. In 1994 the European Patent Office also granted a patent relating to Neem based fungicides.
After ten years of legal proceedings, the European Patent Office eventually revoked the patent by establishing that the fungicidal effect of the neem seeds had been known in India for centuries. Rosy periwinkle which was well known to the natives of Madagascar for its medicinal properties was monopolized by a pharmaceutical giant Eli Lilly to use it in treatments of diseases like leukemia and malaria.
San peoples, native to South Africa, recognized the enormous market potential of appetite suppressant qualities of the Hoodia cactus, got a patent on it and sold the licensing rights to an English biopharmaceutical firm, Phytopharm, in 1997. Phytopharm then sold the license to American pharmaceutical giant Pfizer for 25 million dollars. The Hoodia works by mimicking the effect glucose has on the nerve cells in the brain, in effect providing a feeling of fullness and thus curbing the appetite. It was traditionally chewed to stave off hunger and thirst during long hunting expeditions in the desert.
In March 1995, two researchers from India at the University of Mississippi received a patent for using turmeric in wound ointments. Indian Council for Scientific and Industrial Research, India's largest research and development organization, filed suit against the United States Patent Office. The plaintiffs claimed turmeric had been used for centuries in India to treat wounds and rashes, and they drew support from an ancient Sanskrit text.
Further, there have been attempts on claiming traditionally cultivated plant varieties in India such as wheat, basmati rice, jasmine rice, etc.
In October 2010, the Nagoya Protocol was approved as part of the UN's Convention on Biological Diversity. An internationally legally binding treaty, it aims to divide profits from resources, such as medicinal plants, in a way that benefits the populations which originally used and grew them. However, the treaty did not find implementation in laws.
India amended its Patent Act in 2002 to introduce Section 3(p) prohibiting “an invention which in effect, is traditional knowledge or which is an aggregation or duplication of known properties of traditionally known component or components”.
The new treaty upholds the conviction of Indian patent law to prevent biopiracy, the new treaty requires contracting parties to adhere to mandatory disclosure obligations which require patent applicants to disclose the country of origin or source of the genetic resources when the claimed invention is based on genetic resources or associated traditional knowledge.
India already maintains a Traditional Knowledge Digital Library which is a comprehensive database of medicinal formulations in various languages. Established in 2001, the TKDL was created in response to India’s challenges in overturning patents on traditional remedies like turmeric and neem. It was a joint initiative of the CSIR and the Department of AYUSH and aims to safeguard India’s rich medicinal knowledge from being patented erroneously, which had become rampant. Also, establishment of TKDL has been pivotal in protecting India’s traditional medicinal systems from misappropriation globally.
According to the treaty, the states are required to create databases or repositories where information about genetic resources and traditional knowledge can be recorded. However, lack of incentivization may not motivate the indigenous communities, being major source of traditional knowledge, to provide their contributions. Thus, there is a requirement for government bodies to incentivise and proactively gather such knowledge in order to prevent it from falling prey to biopiracy.
Further, the treaty is not retroactive: it doesn’t apply to patents granted in the past. So whatever patents have been granted so far are to be challenged in the court of laws to stop them from monopolizing indigenous knowledge. Also, the treaty has no provision of denial of any future patent in case the applicant does not provide the alleged mandatory disclosure.
In conclusion, the new international treaty spearheaded by WIPO came as a beacon of hope for the protection of biodiversity and traditional knowledge. It is a significant step towards rectifying the historical injustices of biopiracy, where the wealth of knowledge held by indigenous and local communities was exploited without due recognition or compensation. This treaty does acknowledge the intrinsic value of genetic resources and traditional wisdom but fails to ensure that the benefits derived from them are shared fairly and equitably.
It sends a message that the international community will no longer tolerate the appropriation of biological materials under the guise of innovation, without honoring the source communities' contributions.
Understanding Negative Limitations in Patent Claims: A Shift in Perspective
[Contributor: Devashish Agarwal]
In the world of patent law, negative limitations have historically been viewed with caution. These limitations, which define an invention by stating what it is not rather than what it is, were once considered improper except in exceptional circumstances. However, recent developments and court rulings have brought about a significant shift in how negative limitations are perceived and utilized.
The Evolution of Negative Limitations
The Manual of Patent Examining Procedure (MPEP) 2173.05(i) reflects the evolving stance on negative limitations. The current judicial view is that there is nothing inherently ambiguous or uncertain about a negative limitation. Consequently, negative limitations are now generally accepted, provided they are clear and precise.
Examples and Acceptability
Under this updated practice, descriptions like "halogen other than fluorine" are considered acceptable. Similarly, terms such as "noncircular," "nonmagnetic," or "colourless" have long been deemed acceptable because they concisely convey the intended limitation. These expressions often represent the most practical way to define specific characteristics of an invention.
MPEP 2173.05 (i) further illustrates acceptable negative limitations with examples such as "not in excess of 10% structure" and "incapable of forming a dye with...". These examples demonstrate how negative limitations can effectively convey precise constraints without ambiguity.
Strategic Use of Negative Limitations
Negative limitations can be strategically employed to avoid restrictive language such as "consisting" or "consisting essentially." For instance, if a patent claim covers a combination comprising elements A, B, and C, and the examiner cites a combination of A, B, C, and a large amount of D, it might be unobvious to eliminate D. In such cases, the claim could be amended to read "comprising A, B, C, and absent sufficient D to... [hurt the combination]," as seen in the Duva case.
This approach allows the claim to cover combinations where D is minimized without excluding additional elements that do not affect the overall invention.
Case Laws: The Use of Negative Limitations
Case Law 1: Ex parte Grasselli
In this case, the inventors were working on a catalyst for the oxidation of olefins. They used a negative limitation to exclude the presence of a specific metal that would interfere with the catalytic process. The claim read:
"a catalyst comprising... absent sufficient iron to substantially affect the oxidation process."
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Outcome: The use of the negative limitation was upheld by the Board of Patent Appeals and Interferences. The decision was based on the clarity provided by the negative limitation, which precisely defined the invention's scope by excluding the unwanted metal.
Case Law 2: Allergan, Inc. v. Sandoz Inc.
Allergan's patent for the glaucoma treatment Combigan included negative limitations. The claims described the combination of specific active ingredients and excluded certain preservatives that could destabilize the formulation. The claim read:
"a pharmaceutical composition comprising... and absent sufficient benzalkonium chloride."
Outcome: The court upheld the patent, recognizing the clear and specific nature of the negative limitations. This case illustrates how combining both types of limitations can provide a robust definition of an invention's scope.
Case Law 3: In re Duva
The landmark case of In re Duva solidified the legitimacy of negative limitations in patent claims. In this case, the court upheld a negative limitation that stated:
"absent sufficient CN [cyanide] ions to prevent deposition...,"
even though a positive expression could have been used. This ruling established that negative limitations could be valid, even when they define a point of novelty.
Conclusion
While the historical opposition towards negative limitations has softened, it remains advisable to use them sparingly and judiciously. Negative limitations should be employed when they represent the clearest or only way to define a limitation. As a general rule, it's preferable to describe what an element is, rather than what it is not.
In summary, the modern view of negative limitations opens new avenues for patent claims, offering flexibility and precision. Understanding when and how to use these limitations can enhance the clarity and enforceability of your patent applications.
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Reference: - https://www.youtube.com/watch?v=49rLm9tDFGc
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