Stinson's patent attorneys advise chemical and pharmaceutical companies on every aspect of intellectual property law, including patent protection and strategy, enforcement and client counseling. We also defend clients against claims of infringement. Our attorneys provide services over a wide range of chemical technologies including pharmaceuticals, organic chemistry, inorganic chemistry, analytical chemistry, biochemistry, polymer science, material science and chemical engineering.

We seek to understand the underlying commercialization aspects of our clients' technologies to develop specific intellectual property and business objectives. In addition to having the legal experience to protect critical intellectual property assets, many of our patent attorneys have advanced degrees and industry experience that provide for a deeper understanding of the science underlying our clients' discoveries.


  • Patent application preparation and prosecution
  • Patentability analysis
  • Preparing freedom-to-operate, invalidity and non-infringement opinions
  • Due diligence analysis
  • Patent landscape analysis
  • Design-around analysis
  • Post-grant proceedings at the USPTO
  • Foreign opposition proceedings
  • Litigation

Representative Chemical Subject Matter

  • Absorbent materials
  • Adhesives
  • Biosensors
  • Coatings
  • Colors and dyes
  • Detergents
  • Energy storage
  • Environmental remediation
  • Food products
  • Lubricants
  • Microencapsulation
  • Nanotechnology
  • Nutritionals
  • Oil and gas chemical agents
  • Pesticides
  • Plastics and polymers
  • Skin care
  • Solar panels

Representative Pharmaceutical Subject Matter

  • Animal health
  • Drug delivery
  • Drug conjugates and formulations
  • Microencapsulation
  • Nanotechnology
  • Polymer drugs
  • Small molecule drugs
  • Vaccines



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