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Markush And the Enablement Illusion

Genus claims or Markush claims occupy a central yet controversial position in pharmaceutical patent law.
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ABOUT AUTHORS

RAJESHWARI HARIHARAN
Rajeshwari Hariharan is an accomplished advocate and arguing counsel before the Delhi High Court, and the founder of Rajeshwari & Associates, a boutique firm renowned for its expertise in intellectual property law. With a distinguished career spanning key patent, trademark, and trade secret disputes, she has played a pivotal role in shaping India’s IP jurisprudence, including her prominent involvement in the country’s first-ever compulsory licence case. A seasoned litigator, Rajeshwari has represented clients in complex matters before the Supreme Court of India, multiple High Courts, the Patent Office, and various tribunals. Her extensive experience includes handling high-stakes patent oppositions, technology-driven disputes, pharmaceutical IP matters, and cutting-edge issues involving confidential information and innovation-driven industries. Rajeshwari is also a prolific writer and speaker. She has authored numerous articles on intellectual property and related legal developments, and she frequently shares her insights at national and international forums. She is widely regarded for her deep patent expertise, strategic litigation skills, and effective courtroom advocacy, making her a sought after counsel in high-value and technically complex IP cases.
