Ian B. Crosby
Seattle Office Phone: (206) 516-3861 Email Download vCard Print Bio to PDF
  • University of Texas School of Law (J.D., high honors, 1998).
    • Order of the Coif and Society of Chancellors Articles Editor, Texas Law Review
    • Norman S. Davis, Clarence Leon Carter, and Locke Purnell Rain Harrell Endowed Presidential Scholarships in Law
    • Awards for highest achievement in several subjects, including Patent Litigation and Antitrust
  • Reed College (B.A., faculty commendation, 1995)
  • Goethe Institut, Bremen, Germany (Certificate of German as a Foreign Language, 1989)
Judicial Clerkship

Law clerk to the Honorable Robert Boochever, United States Court of Appeals for the Ninth Circuit, 1999-2000

Law clerk to the Honorable John C. Coughenour, United States District Court for the Western District of Washington, 1998-1999

Ian B. Crosby

Ian Crosby has received national recognition from U.S. News – The Best Lawyers in America®, the American Intellectual Property Law Association, and Managing IP Magazine for his work and expertise in   the field of intellectual property litigation and licensing. He has tried and litigated patent, copyright, antitrust, and other complex commercial cases in federal courts throughout the country. He has also represented parties before the U.S. International Trade Commission, in private arbitrations, and in confidential licensing negotiations. He is a member of the Executive Committee and Chair of the Mentorship Program of the Seattle Intellectual Property American Inn of Court.

Notable Results

Stross v. Zillow Inc., Case No. 2:21-cv-01489-RAJ-BAT (W.D. Wa. 2022): Won motion to dismiss claims that client Zillow infringed 106 real estate photographs.

International Business Machines Corp. v. Zillow Group Inc., Case No. 2:20-cv-01130 (W.D. Wa. 2022): Five of five asserted patents invalidated or stayed in follow-on case filed after transfer of lead case to client’s home district.

International Business Machines Corp. v. Zillow Group Inc., Case No. 2:20-cv-00851(W.D. Wa. 2022): Seven of seven asserted patents invalidated or stayed pending IPR after obtaining transfer of case from Central District of California to client’s home district.

International Business Machines Corp. v. Zillow Group Inc., Case No. 21-02350 (Fed. Cir. 2022): Federal Circuit affirmed judgment of invalidity under 35 U.S.C. § 101 of two patents asserted against client Zillow.

VHT, Inc. v. Zillow Group, Inc., Case No. 2:15-cv-01096-JLR (W.D. Wa. 2022): Prevailed on affirmative defense of innocent infringement for 388 images and obtained finding of near-minimum statutory damages for 2,312 more in bench trial on damages on remand from Ninth Circuit.

Kean v. Seattle Children’s Hospital, Case No. 20-2-16194-2 SEA (King Co. Super. Ct. 2021): Obtained settlement following close of discovery of claims against client Seattle Children’s Hospital by researcher seeking royalty on pharmaceutical license payments.

Priceline.com v. DDR Holdings LLC, IPR2018-00482 (P.T.A.B. 2018): PTAB affirmed patentability of all challenged claims of client DDR Holdings’ e-commerce technology patent.

Finjan Inc. v. Bitdefender Inc., Case No. 4:17-cv-04790-HSG (N.D. Cal. 2017): Obtained settlement claims against client Bitdefender following completion of summary judgment briefing.

AlmondNet v. Oath Holdings, Case No. 19-cv-00247 (D. Del. 2019): Obtained settlement for patent owner client AlmondNet after defeating eight covered business method review petitions and obtaining transfer to District of Delaware in lieu of dismissal following Supreme Court’s intervening decision in TC Heartland.

Uniloc U.S.A. v. Bitdefender LLC, Case No. 2:16-cv-00394-RWS (N.D. Cal. 2017): Complete summary judgment in favor of client Bitdefender LLC on grounds that asserted software distribution patents were invalid for claiming ineligible subject matter.

VHT, Inc. v. Zillow Group, Inc., Case No. 2:15-cv-01096-JLR (W.D. Wa. 2017): Ninth Circuit affirmed judgment for client Zillow on over 95% of claims for infringement of copyrighted images and vacated award of damages for the remainder.

In the Matter of Certain Wearable Activity Tracking Devices, Investigation  No.  337-TA-973  (I.T.C. 2016): Complaint against client Jawbone withdrawn after finding that asserted fitness tracking patents were invalid for claiming ineligible subject matter.

In Re Queen’s University at Kingston, No. 2015-145 (Fed. Cir. 2016): Grant of mandamus petition for client Queen’s University at Kingston established the application of the attorney-client privilege to prosecution related communications with registered patent agents.

Two-Way Media LLC v. AT&T et al., No. 2014-1302 (Fed. Cir. 2015): Affirmed $40 million judgment obtained at trial for client Two-Way Media LLC for infringement of streaming content delivery patents by AT&T.

ViaSat, Inc. v.  Space  Systems/Loral,  Inc.  et  al., No. 3:12-cv-00260-H (S.D. Cal. 2014): Vacated award  of damages against client Space Systems/Loral for alleged infringement of satellite communications patents.

DDR Holdings, LLC v. Hotels.com, L.P. et al., No. 2013-1505 (Fed. Cir. 2014): Opinion affirming in part trial judgment obtained for client DDR Holdings was first, and, for eighteen months, only Federal Circuit decision to uphold the validity of a computer software patent on subject matter grounds after the Supreme Court’s decision in Alice Corp. v. CLS Bank Int’l, 134 S. Ct. 2347 (2014).

Native American Marketing and  Development  Corp.  v.  Arctic  Slope  Regional  Corporation  et  al., No. 8:07cv-02436 (D. Md. 2009): Complete summary judgment for client Arctic Slope Regional Corporation in a suit seeking a hundred-million dollar finder’s fee on the largest single-source government contract in history.

Novell, Inc. v. Microsoft Corp. (2004): Settlement of antitrust claims for client Novell in a confidential amount that the New York Times later reported to be $536 million.

Pro Bono

Pro Bono Partner, Giffords Law Center to Prevent Gun Violence

Honors and Distinctions
  • Recognized by U.S. News – The Best Lawyers in America® (2018- 2023 Woodward White Inc.) for Intellectual Property Litigation and Patent Litigation in Seattle.
  • Invited speaker on patent licensing, 2018 American Intellectual Property Association Spring Meeting.
  • Recipient of the 2017 Editor’s Choice Award from Managing IP (Euromoney Legal Media Group) for work on In re: Queen’s University at Kingston et al.
  • Master of the Bench, Seattle IP Inn of Court
  • Washington Law & Politics Magazine (Thomson Reuters) “Rising Star” from 2003 to 2009.
  • Brad Owens, General Counsel, Zillow Group
  • Gulliver Swenson, Chief Administrative Officer, Assurance IQ
  • Daniel D. Ross, President, DDR Holdings LLC
  • Rosemary Daszkiewicz, Assistant General Counsel, Seattle Children’s Research Institute


Contact information can be provided upon request.