IP Counseling & Patents
Patent Office Litigation


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). He has served as lead counsel in numerous Inter partes review (IPR) and Covered Business Method (CBM) review proceedings, patent interferences, and reexamination procedures. 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.

  • Bloomberg 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* v. Droplets, Inc. (IPR Reviews)
  • 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)
  • Square, Inc.* v. Protegrity Corporation (CBM Reviews)
  • Bloomberg* v. Quest Licensing Corporation (CBM Review)
  • Google* and LinkedIn* v. Priceplay.com, Inc. (CBM Reviews)
  • Harmonic Inc.* v. Avid Technology, Inc. (IPR Review)
  • Ariosa Diagnostics v. Verinata Health, Inc. (Illumina Corp.)* (IPR Reviews)
  • Align Technologies, Inc.* v. OrthoClear, Inc. (Patent Reexaminations)
  • Zhejiang Trimone Electric Science and Technology Co. Ltd. and Fujian Hongan Electric Co., Ltd. v. Leviton Manufacturing, Inc.* (Patent Reexamination)
  • Universal Display Corp.* v. Fujifilm, Inc. (Patent Interference)
  • Alnylam Pharmaceuticals, Inc. v. Protiva Biotherapeutics (Tekmira Corp.)* (Patent Interference)
  • National Institutes of Health* v. Institut Pasteur (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 in Intellectual Asset Management (IAM) magazine's 2013 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
  • 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
  • Drafting Group Leader and Presenter, "Parallel USPTO Proceedings," The Sedona Conference Working Group on Patent Litigation Best Practices Annual Meeting, Washington, D.C., September 2013
  • Presenter, Seventh Annual IP Counsel Forum, ALM Corporate Counsel, San Jose, California, March 2011
  • 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
Fax | 206-883-2699

Email | Michael Rosatomrosato@wsgr.com

Print to PDF