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Home > Our People > Stephen L. Altieri, Ph.D.
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Stephen L. Altieri, Ph.D.

Partner

Stephen Altieri, Ph.D., focuses his practice on patent counseling, procurement, and licensing in the life sciences industry. Throughout his career, Steve has represented clients of all sizes, specializing in emerging biotech companies. He creates and develops US and international intellectual property rights that are aligned with client business objectives, including working closely with scientific personnel to identify patenting opportunities and competitive advantages. Steve also assists clients in partnering and investment transactions.

"
he is extremely smart, incredibly hard-working and very personable
Chambers USA
"

Steve’s subject area focus is broadly in the life sciences, including immunotherapies, nucleic acid therapeutics, microbiome agents, gene-editing technologies, antibodies, drug delivery, diagnostics, and cell-based therapies.

Steve, a Fulbright Fellow, received his Ph.D. from Yale University from the Department of Molecular Biophysics and Biochemistry. His doctoral research examined mechanisms of ion channel activation, particularly the structural and molecular basis of gating in cyclic nucleotide-gated ion channels. After finishing at Yale, Steve received his J.D. from Boston College Law School, magna cum laude and Order of the Coif.

Steve also serves as co-chair of the Massachusetts Biotechnology Council’s Entrepreneur University.

  • Boston College Law School, 2011, Juris Doctor, magna cum laude, Order of the Coif
  • Yale University, 2008, Doctor of Philosophy, Molecular Biophysics and Biochemistry
  • Yale University, 2005, Master of Philosophy, Molecular Biophysics and Biochemistry
  • Canisius College, 2002, Bachelor of Science, Chemistry and Biology, summa cum laude, All-College Honors
  • Massachusetts
  • United States Patent and Trademark Office

Ranked, Life Sciences, Massachusetts, Chambers USA (2024, 2025)

Ranked, Intellectual Property, Massachusetts, Chambers USA (2024, 2025)

Up and Coming, Intellectual Property, Massachusetts, Chambers USA (2021–2023)

Up and Coming, Life Sciences, Massachusetts, Chambers USA (2023) 

Leading Lawyer, Intellectual property: Patents: prosecution (including re-examination and post-grant proceedings), The Legal 500 US (2024, 2025)

Next Generation Lawyer, Intellectual property: Patents: prosecution (including re-examination and post-grant proceedings), The Legal 500 US (2023)

Recommended, Intellectual property: Patents: prosecution (including re-examination and post-grant proceedings), The Legal 500 US (2020, 2021, 2025)

Recognized, Elite Patent Practitioner, IAM Global Leaders (2024, 2025)

Recognized, IAM Patent 1000: The World’s Leading Patent Professionals (2019–2025)

Member, Practice Group of the Year, Intellectual Property, Law360 (2019)

Member, Litigation Department of the Year–Intellectual Property, The American Lawyer (2019)

Life Sciences Star, Patent Prosecution, Patent Strategy & Management, LMG Life Sciences Awards Americas (2023, 2024)

Life Sciences Star, Intellectual Property, LMG Life Sciences (2019–2022)

Rising Star, Massachusetts, Super Lawyers (2013, 2014, 2017, 2018, 2020, 2021)

Editor in Chief, Boston College Intellectual Property & Technology Forum

Fulbright Fellowship (2003)

Merck Undergraduate Research Award (2002)

Alpha Sigma Nu (2002)