Leydig, Voit & Mayer
Xavier Pillai Law Professional

312-616-5600 (phone)
312-616-5700 (fax)
Chicago Office

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Related Practices

Education

Chicago-Kent College of Law, J.D., 1994

Case Western Reserve University, Ph.D. in Polymer Science, 1984

Xavier Pillai

Member

Mr. Pillai is currently active in patent prosecution and client counseling, with a particular emphasis in the chemical arts. Areas of particular interest include organic chemistry, polymer chemistry, process chemistry, pharmaceuticals including small molecules and macromolecules, vaccines, diagnostics, high polymers, lithography, membranes and filters for use in biomedical applications, ink jet printing ink compositions, marking compositions, and liquid crystal compositions. He directs patent procurement in the U.S., Europe, Canada, Japan, Australia and other countries and provides opinions on patent infringement, validity, and patent challenges.

Prior to joining Leydig, Voit & Mayer, Ltd., Mr. Pillai worked as a research scientist at Allied Signal, Inc. in the area of polymer membranes for water desalination and gas separation applications. During his Ph.D., he carried out synthesis and evaluations of polymers and copolymers containing oxazoline monomers and ethylene oxide monomers for electrical battery separator applications. He is the named inventor of seven U.S. patents and has ten publications on polymer synthesis and polymer membranes.

Professional Affiliations

  • American Intellectual Property Law Association (AIPLA), (Member, Patent Law and Chemical Practice Committees)
  • Intellectual Property Law Association of Chicago (IPLAC)
  • American Chemical Society (Member, Executive Committee, Chemistry and The Law Division)
  • Intellectual Property Owners Association (IPO)
     

Articles and Publications

U.S. Patents (Named Inventor)

  • 5,436,296 Compositions of polymeric materials including polyalkylene terephthalates and polyethylene
  • 5,271,843 Chlorine-tolerant, thin-film composite membrane
  • 5,145,584 Processes for using a thin film composite ultrafiltration membrane
  • 5,085,775 Thin film composite ultrafiltration membrane
  • 5,013,448 Processes for the preparation of chlorine-resistant polyester semipermeable membranes
  • 4,932,986 Crosslinked gas selective membranes
  • 4,880,545 Ultrafiltration membranes and a method for the separation of sugars using the same

Technical

  • Synthesis and characterization of a multiblock copolymer of poly(N-isovaleryl ethyleneimine) and poly(ethylene glycol): J. Polymer Science, Polym. Chem. Ed., 26, 3043-3069 (1988)
  • Effect of impurities on cellulose acetate membrane performance: Recent Advances in Separation Techniques-III, AIChE Symposium Series No. 250, 82 (1986)
  • Synthesis of bifunctional monodisperse poly(N-isovaleryl ethyleneimine): J. Polymer Science, Polym. Chem. Ed., 24, 1455-1461 (1986)
  • Block copolymers of poly(ethylene glycol) and poly(N-isovaleryl ethyleneimine) – Kinetics of initiation: ACS Symposium Series No. 286, Ring-Opening Polymerization (1985)
  • Preparation and characterization of p-toluene sulfonyl ester and amino derivatives of tri- and poly(ethylene glycol): J. Polymer Science, Polym. Chem. Ed., 22, 1623-1632 (1984)

Legal

  • "To Successfully Enforce Your Patent Do Not Let Form Triumph Over Substance While Writing The Patent," Published Online by EzineArticles, August 23, 2006
  • "To Crush Your Competition A Strong Patent Is Important – Learn How and Why," Published Online by EzineArticles, August 15, 2006
  • "The Patent Office's Proposed New Rules For Disclosing Prior Art Could Increase Patent Applicant's Burden," Published Online by EzineArticles, July 28, 2006
  • "Are You Prepared To Face The Patent Office As It Is Going To Grant Only Narrow Patents?" Published Online by ArticleMuse, June 4, 2006
  • "A Strong Patent Is Important To Halt Infringer's Operations, Says U.S. Supreme Court," Published Online by EzineArticles, May 23, 2006
  • "Can You Start Selling Your Invention Before Patenting It?"  Published Online by EzineArticles, May 9, 2006
  • "Shouldn't Great Inventions Deserve Iron-Clad Patents?"  Published Online – EzineArticles, April 2006
  • "Intellectual Property is Key to Biotech Industry's Future," IndUS Business Journal, 2002

Speaking Engagements and Presentations

  • "Strengthening Your Patent Rights in Light of Recent Federal Court Decisions," NIH Office of Technology Transfer, Rockville, MD, August 19, 2009
  • "Review of recent Federal Circuit decisions relevant to what scientists need to know about patent filing and prosecution," 238th American Chemical Society National Meeting, Chemistry and the Law Division, Washington, D.C., August 16-20, 2009
  • "Strengthening Your Future Patent Rights in Light of Recent Federal Court Decisions," 237th American Chemical Society National Meeting, Chemistry and the Law Division, Salt Lake City, UT, March 22, 2009
  • "Strengthening Your Future Patent Rights in Light of Recent Federal Court Decisions," 236th American Chemical Society National Meeting, Chemistry and the Law Division, Philadelphia, PA, August 17, 2008
  • "Strengthening Your Future Patent Rights in Light of Recent Federal Court Decisions," 235th American Chemical Society National Meeting, Chemistry and the Law Division, New Orleans, LA, April 6, 2008
  • "Patent Applications Best Practice," Presented to Nicolas Piramal IP Group, Mumbai, February 18, 2008
  • "The new USPTO Rules On Continuation Applications and Claims," Chicago Bar Association's lunch seminar to the Young Lawyers' section, October 3, 2007
  • "Strengthening Your Future Patent Rights in Light of Recent Federal Court Decisions," 234th American Chemical Society National Meeting, Chemistry and the Law Division, Boston, MA, August 19-23, 2007
  • "Will You Lose Your Invention to the Competition for Failing to Proofread the Patent?" 233rd American Chemical Society National Meeting, Chemistry and the Law Division, Chicago, IL, March 25-29, 2007
  • "Can You Comply with Patent Laws While Designing New Molecules to Beat the Competition?" 233rd American Chemical Society National Meeting, Chemistry and the Law Division, Chicago, IL, March 25-29, 2007
  • "Patent Law Basics for the Molecular Business," 233rd American Chemical Society National Meeting, Chemistry and the Law Division (Invited Lecture), Chicago, IL, March 25-29, 2007
  • "Patents and the U.S. Pharmaceutical Market: Challenges and Opportunities for Growth – A Legal Perspective," 58th Indian Pharmaceutical Congress, December 1-3, 2006, Mumbai, India
  • "Should I Test the Invention Some More or File for Patent Right Away?" 231st ACS National Meeting, Key Topics in U.S. Patent Law, Chemistry and the Law Division, March 26 2006
  • "Do Inventors Really Commit Unconscionable Acts in Obtaining a Patent?" 230th ACS National Meeting, Hot Topics in U.S. Patent Law, Chemistry and the Law Division, Aug. 29 – Sept. 1, 2005
  • "Do the Courts Think Differently When It Comes to Interpreting Your Patent?" 230th ACS National Meeting, Hot Topics in U .S. Patent Law, Chemistry and the Law Division, Aug. 29 – Sept. 1, 2005
  • "Did You Lose Your Right to a Patent if You Published The Invention?" 229th ACS National Meeting, Key Topics in U.S. Patent Law, Chemistry and the Law Division, March 13-17, 2005
  • "Role of Intellectual Property in the Chemical Industry," 36th ACS Great Lakes Midwest Regional Meeting, Peoria, IL, Oct. 17-20, 2004
  • "Recovery of Space Station Wash Water by Membrane Technology," International Congress on Membranes, Chicago, IL 1990

Bar Admissions and Registrations

  • District of Columbia, 2000
  • Illinois, 1994
  • Registered to practice before the U.S. Patent and Trademark Office

Courts

  • U.S. District Court for the Northern District of Illinois

Languages

  • Tamil
  • Hindi
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