Photograph of Laura A. Lydigsen

Laura A. Lydigsen


Laura A Lydigsen is a co-chair of Crowell & Moring's Patent and ITC Litigation Group.  Her practice includes intellectual property litigation at both the district court and appellate level, with an emphasis on pharmaceuticals, biotechnology and medical devices.

Laura has extensive experience in representing generic pharmaceutical companies in Hatch-Waxman pharmaceutical litigation. She has appeared in litigations and/or Patent Trial and Appeal Board (PTAB) proceedings involving over two dozen different drug products and assisted clients with regulatory and pre-litigation strategy for many other drug products. She recognizes that a winning strategy in pharmaceutical litigation must be paired with good regulatory and business strategies and assists her clients in achieving all three.

Laura has a deep knowledge of appellate practice before the U.S. Court of Appeals for the Federal Circuit.  Before joining private practice, Laura clerked for the Honorable Alvin A. Schall at the Federal Circuit and she has updated the Federal Circuit treatise Patents and the Federal Circuit for over a decade.  She has been involved in all stages of appeals before the Federal Circuit across a wide range of technologies, including appeals involving pharmaceuticals, biotechnology, medical devices, automotive technology, and insurance. She has successfully argued before the court and written briefs in dozens of appeals, including complex multi-patent appeals stemming from decisions of the PTAB in post-grant proceedings established under the America Invents Act. Laura also has experience representing pro bono a U.S. Veteran and a widow of a U.S. Veteran in appeals from adverse benefits decisions of the U.S. Court of Appeals for Veterans Claims.

In addition to serving as a clerk to the Honorable Alvin A. Schall at the Federal Circuit, Laura also clerked for the Honorable Ruben Castillo at the United States District Court for the Northern District of Illinois.

Prior to joining Crowell & Moring, Laura was a shareholder at Brinks Gilson & Lione, where she served as the chair of the firm’s appellate practice.


  • Wellesley College, B.A. Biological Sciences (2002) cum laude
  • Washington University in St. Louis School of Law, J.D. (2005) first in class


  • Federal Circuit Bar Association, Vice-Chair Rules Committee (2011–2014), Co-Chair Rules Committee (2014–2017), Vice-Chair Amicus Committee, (2017–2020), Co-Chair Amicus Committee (2020–present) 
  • Linn Inn of Court, Secretary (2011–2013)
  • Intellectual Property Law Association of Chicago


Illinois, Supreme Court of the United States, U.S. District Court for the Northern District of Illinois, U.S. District Court for the Southern District of Indiana, U.S. Court of Appeals for the Federal Circuit, U.S. Court of Appeals for Veterans Claims

View More

"Open Door for MOT Patent Litigation," Lexology (February 22, 2022). Author: Laura Lydigsen.
Crowell & Moring Releases Litigation Forecast 2022: What Corporate Counsel Need to Know for the Coming Year (January 12, 2022)
Firm News / Announcement
"Patent Cases – An Open Door for MOT Patent Litigation," Crowell & Moring's Litigation Forecast 2022 (January 12, 2022). Contributors: Laura Lydigsen
Two Patent Issues Teed Up for Federal Circuit Rulings in 2022 Bloomberg Law (January 3, 2022)
Press Coverage
Patent Cases To Watch In 2022 Law360 (January 3, 2022)
Press Coverage
"After Arthrex Decision, Interim USPTO Guidance Allows Straight-to-Director Review of Any Issue in an IPR," IP Insights (July 2, 2021). Contacts: Vincent J. Galluzzo, Laura A. Lydigsen, Joshua James, Shannon Lentz
Client Alert / Newsletter
Crowell & Moring and Brinks Gilson & Lione Join Forces (July 2, 2021)
Firm News / Announcement
"District Courts Struggle to Schedule Patent Trials During the COVID-19 Pandemic," IP Insights (July 24, 2020). Contacts: Laura A. Lydigsen, Joshua James
Client Alert / Newsletter
"Patents and the Federal Circuit, Fourteenth Edition," Bloomberg Law (2019). Laura A. Lydigsen (Author) and Judy He (Contributor).
"Federal Circuit Sets a High Bar for Article III Standing for Petitioners Not Yet Sued on Patents Under Inter Partes Review," IP Insights (July 24, 2019). Contacts: Laura A. Lydigsen, Joshua James
Client Alert / Newsletter

For all Highlights, News & Knowledge, please click here to view desktop bio.

Crowell & Moring LLP is an international law firm with offices in the United States, Europe, MENA, and Asia that represents clients in litigation and arbitration, regulatory and policy, and transactional and corporate matters. The firm is internationally recognized for its representation of Fortune 500 companies in high-stakes litigation and government-facing matters, as well as its ongoing commitment to pro bono service and diversity, equity, and inclusion.

View Desktop Site | Mobile Sitemap |

Contact | Subscribe | Terms of Use | Privacy Statement | Alumni

© Crowell & Moring LLP 2022
Attorney advertising - prior results do not guarantee a similar outcome.