Latimer LeVay Fyock, LLCLatimer LeVay Fyock, LLC
John L. Ambrogi
John L. Ambrogi

John L. Ambrogi
  • Biography
  • Credentials
  • Experience

Chair of the firm’s Intellectual Property Practice Group, John L. Ambrogi understands that a robust intellectual property portfolio can provide competitive advantages, define and distinguish a company in the marketplace, or generate a lucrative revenue source. But John also knows that the value of these assets can be illusory if not accompanied by vigilant protection, assertive advocacy, and practical, real-world strategies.

That is why clients in a diverse range of industries look to John to evaluate, obtain, and enforce their rights relating to patents, trademarks, copyrights, and trade secrets. John’s efforts focus on helping his clients maximize the benefits that flow from these assets while minimizing the risk posed by infringement or other acts that threaten those benefits. He prides himself on finding creative solutions and obtaining cost-effective and positive outcomes that achieve his clients’ objectives.

A seasoned litigator, John protects and advances his clients’ interests in federal and state courts, proceedings in the U.S. Patent and Trademark Office, and other domestic and international forums. John performs meticulous due diligence and evaluation of IP assets, and counsels clients on e-commerce issues, IP audits/transfers, and IP clearances. He drafts sound and thorough opinion letters and clearance opinions, and negotiates intellectual property agreements, including letters of intent, consulting and employment agreements, non-disclosure agreements (NDAs), and the sale and licensing of Intellectual Property assets. 

John has extensive experience defending against charges of patent, copyright and trademark infringement, protecting trade secrets, advising clients regarding domain name and internet-related issues, and counseling on anti-counterfeiting programs. He also administers and negotiates licenses and assists clients with the intellectual property aspects of business acquisitions, mergers, and takeovers.

After attending Loyola University Chicago, John earned his law degree from Loyola University Chicago School of Law. He is active in several professional organizations, and regularly volunteers at the Greater Chicago Food Depository as well as Hope House, which provides a fully home-cooked meal once a month to men going through drug and alcohol rehab.

When not serving his clients or his community, John likes to spend his time enjoying good food with family and friends, laughing and enjoying each other’s company.


  • Loyola University Law, J.D.
  • Loyola University, B.S.


  • Illinois, 1990

Professional Affiliations

  • Illinois State Bar Association - Editor of the Corporate Law Department Section Council Newsletter
  • International Trademark Association (Design Rights & Related Rights Committee)             
  • Italian-American Chamber of Commerce, Chicago
  • Justinian Society of Lawyers
  • National Italian American Foundation
  • National Italian American Bar Association
  • Columbian Club of Chicago
  • Chicago Magnificent Mile Association


Federal Litigation Experience [Most Recent]

Canon Inc. v. Garvey's Office Products, Inc. U.S.
Patent Infringement
District  Northern District of Illinois, Eastern Division Case 1:18-cv-01497

Canon Inc. v. Arlington Industries, Inc.
Patent Infringement
Northern District of Illinois, Eastern Division Case 1:18-cv-01496

ALS Scan Inc v. Steadfast Networks LLC
Copyright and Trademark Infrinegment; Digital Milleleum Copyrigh Act
U.S. District Court, Central District of California Case 2:16-cv-05051

Bon Appetit Danish, Inc. v. Le Petit Belge, LLC
Trademark Infringement
U.S. District Court, Central District of California Case 2:17-cv-03710-ODW-SK

Seide et al v. Level-(1) Global Solutions, LLC, Steadfast Networks LLC et al 
Copyright Infringement
U.S. District Court, Northern District of Illinois, Eastern Division Case 1:16-cv-02975

American Home Shield Corporation v. American Shield Insurance Company et al
Trademark Infringement
U.S. District Court Western District of Tennessee, Western Division, Case 2:15-cv-02544-JTF-dkv

SLP Performance Parts, Inc. v. Suncoast Automotive Performance, Inc.
Design Patent Infringement
U. S. District Court For the District of New Jersey, Case No.  3:11-cv-03460-MLC-DEA

ThoughtWorks, Inc. v Infor, Inc.
Trademark Infringement
U. S. District Court, Northern District of Illinois, Eastern Division, Case No.  Case No. 1:13-cv-02331

Steiner Industries v.  Steiner Electric Co.
Trademark Infringement
U. S. District Court, Northern District of Illinois, Eastern Division, Case No. 13-cv-4227

Hound and Gatos Pet Foods Corp. v. Evanger’s Dog and Cat Food Co., Inc., et al
U. S. District Court, Northern District of Illinois, Eastern Division, Case No. 13-cv-5550

Shye Worldwide, LLC and LHS International LLC v. AXIZ Group LLC and Orbit Industries
Trademark Infringement
U. S. District Court, Northern District of Illinois, Eastern Division, Case No. 13-cv-3031


  • Intellectual Property Rights and the Internet: The NSI Policy and Recent Case Law
  • The Death Knell of Trademarks
  • Intellectual Property Protection For Computer Software in the United States
  • Incorporating U.S. Provisional Patent Applications Into Your Business Strategy For Cost Effective Invention Protection
  • Generating Revenue Streams in Tough Times (or at Any Time): Putting Your Intellectual Property Assets to Work
  • Raise The Bottom Line Through An Increased Awareness Of A Companies’ Intellectual Property