Intellectual Property


Michael Rosato is a partner in the Seattle office of Wilson Sonsini Goodrich & Rosati, where he focuses on intellectual property protection and counseling, as well as intellectual property-related disputes. Michael leads the firm's practice involving contested proceedings at the U.S. Patent and Trademark Office. He has extensive experience representing clients before the Patent Trial and Appeal Board (formerly the Board of Patent Appeals and Interferences), including USPTO proceedings under the America Invents Act (AIA). Michael has served as lead counsel in numerous inter partes review (IPR) and covered business method (CBM) review proceedings, patent interferences, and reexamination procedures, as well as corresponding appeals to the Court of Appeals for the Federal Circuit (CAFC). He has significant experience with international and domestic patent protection and enforcement for both early- and later-stage companies, often involving a combination of mechanical technologies, software systems and electronics, and medical sciences or biotechnology.

Prior to joining the firm, Michael was an intellectual property partner in the Seattle office of Kilpatrick Townsend & Stockton (formerly Townsend and Townsend and Crew). He began his legal career at DLA Piper and previously worked as a patent agent for a microfluidics device manufacturer.

  • Medtronic, Inc. v. NuVasive, Inc.* (IPR and Reexamination Reviews, CAFC Appeals)
  • Bungie, Inc.* v. Worlds Inc. (IPR Reviews, CAFC Appeals)
  • Altaire Pharmaceuticals, Inc.v. Paragon BioTek, Inc.* (PGR Review, CAFC Appeal)
  • Minerva Surgical, Inc.* v. Hologic, Inc. (IPR and PGR Reviews)
  • ClearCorrect Operating, LLC v. Align Technology, Inc.* (IPR, Reexamination Reviews)
  • Fitbit,Inc. v. AliphCom, Inc. d/b/a Jawbone* (IPR Reviews)
  • Interactive Brokers LLC et al.* v. Chart Trading Development LLC. (CBM Reviews)
  • Blue Coat Systems, Inc.* v. Finjan, Inc. (IPR Reviews)
  • Bloomberg Inc. et al.* v. Markets Alert Pty Ltd (CBM Review)
  • Salesforce.com, Inc.* v. VirtualAgility, Inc. (CBM Reviews)
  • Trulia, Inc.* v. Zillow, Inc. (CBM Reviews)
  • Voltage Security, Inc.* v. Protegrity Corporation (CBM Review)
  • E*TRADE Financial Corporation et al. * v. Droplets, Inc. (IPR Reviews and CAFC Appeal)
  • Hughes Communications, Inc. v. California Institute of Technology (Caltech)* (IPR Reviews)
  • GTNX, Inc.* v. INTTRA, INC. (CBM Reviews)
  • Square, Inc.* v. Think Computer Corporation (CBM Review and CAFC Appeal)
  • Square, Inc.* v. Protegrity Corporation (CBM Reviews)
  • Google Inc.* and LinkedIn Corporation* v. Priceplay.com, Inc. (CBM Reviews)
  • Harmonic, Inc.* v. Avid Technology, Inc. (IPR and Reexamination Reviews)
  • Ariosa Diagnostics v. Verinata Health, Inc. (Illumina Corp.)* (IPR Reviews and CAFC Appeal)
  • Universal Display Corp.* v. Fujifilm, Inc. (Patent Interference)
  • Alnylam Pharmaceuticals, Inc. v. Protiva Biotherapeutics, Inc. (Tekmira Corp.)* (Patent Interference)
  • Genentech, Inc. v. Dendreon Corp.* (Patent Interference)
  • Zymogenetics, Inc.* v. Genentech, Inc. (Patent Interference)

*Party Represented

  • J.D., University of Washington School of Law, 2002
  • M.S., University of Washington, 1999
  • B.S., Rutgers University, 1996
    George H. Cook Scholar
  • Recognized by Docket Navigator as the No. 1 attorney for representing litigants in 2016 inter partes review, covered business method, or post-grant review proceedings at the PTAB
  • Recognized by Managing Intellectual Property as the No. 1 attorney in the U.S. for filing the most petitions on behalf of petitioners in the first half of 2016
  • Recognized in the 2013-2016 editions of Intellectual Asset Management (IAM) magazine's IAM Patent 1000 - World's Leading Patent Practitioners guide
  • Named to Washington Super Lawyers' list of "Rising Stars" in 2007, 2008, 2010, 2011, and 2012
  • Moderator, "A 360 Review of the Current Status of IPR Practice," American Intellectual Property Law Association 2017 Spring Meeting, San Diego, California, May 2017
  • Panelist, "Inter Partes Review and the Increasing Role of the PTAB in Invalidity Litigation," USC Gould School of Law 2017 Intellectual Property Institute, Santa Monica, California, March 2017
  • Panelist, "Evidence of Prior Art at the PTAB: Rigorous Proof—or Else," IPO IP Chat Channel webinar, January 2017
  • Presenter, "PTAB Proceedings: New Rules and Key Practice Tips," UT Law's 2016 Advanced Patent Law Institute, Austin, Texas, November 2016
  • Faculty Speaker, "The Other Worlds: Covered Business Method (CBM) Challenges & Post-Grant Review," Practising Law Institute's USPTO Post-Grant Patent Trials 2016 webinar, April 5, 2016
  • Presenter, "Patent Trial and Appeal Board (PTAB) Developments and Trial Strategy," IP Defense Summit – Seattle, October 2015
  • Presenter, "Post-Grant Patent Trials 'Lessons Learned': Post Institution & Hearing," UT-Law: Advanced Patent Law Institute, Austin, Texas, November 2014
  • Panelist, "Strategies for Forum Selection (District Courts v. ITC v. USPTO/PTAB)," The Sedona Conference All Voices Meeting 2014, New Orleans, Louisiana, November 2014
  • Presenting Practitioner, "PTAB AIA Trial Roundtables," USPTO Roadshow, Santa Clara, California, April 2014
  • Faculty Speaker, "Covered Business Method (CBM) Challenges and Post-Grant Review (PGR)," USPTO Post-Grant Patent Trials 2014, Practicing Law Institute, San Francisco, California, April 2014
  • State Bar of Washington
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Patent and Trademark Office

Contact Information

701 Fifth Avenue
Suite 5100
Seattle, WA 98104
Phone | 206-883-2529

Email | Michael Rosatomrosato@wsgr.com

Areas of Expertise

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