Who We Are

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Your Trusted

Intellectual Property Partner

We are seasoned attorneys with over 100 years of collective experience in litigation and Intellectual Property law. Our team includes a former U.S. Patent Examiner, a former U.S. Marine Corp aviator and Judge Advocate, and a Master and Program Chair of the John C. Lifland American Inn of Court. Our diverse backgrounds include engineering, biology, genetics, chemistry, aviation, telecommunications, satellite technologies, and software. Let us put our expertise to work for you.

Anthony J. DiMarino Attorney

Anthony J. DiMarino


Jay, a registered patent attorney, focuses his practice on patent, trademark, copyright, trade secret, and unfair competition issues. He represents companies of all sizes in a wide variety of fields and industries. He serves as trial counsel when litigation is necessary. While most of his cases are located in New Jersey and Pennsylvania, he has been admitted on a pro hac vice basis in courts across the country.

Jay built his litigation skills and experience for three decades, spending several years as an attorney at the largest law firm in New Jersey and then at a Philadelphia-based firm with a national intellectual property litigation practice. This background, which includes the defense of hundreds of personal injury cases and commercial litigation matters, provides him with a unique perspective on intellectual property disputes. He founded A.J. DiMarino, P.C. in 2006.


  • University of Pennsylvania, B.A. in Biology, Concentration in Genetics, 1988
  • The Dickinson School of Law of The Pennsylvania State University, J.D. 1992

Bar Admissions

  • New Jersey
  • Pennsylvania
  • U.S. Court of Federal Claims
  • U.S. Patent and Trademark Office
  • U.S. District Court, District of New Jersey
  • U.S. District Court, Eastern District of Pennsylvania
  • U.S. Court of Appeals, Third Circuit
  • U.S. Court of Appeals, Federal Circuit

Professional Associations

  • American Bar Association
  • The Association of the Federal Bar of the State of New Jersey, Board of Trustees, 2013- present
  • New Jersey Bar Association
  • Camden County Bar Association
  • Gloucester County Bar Association, Board of Trustees, 2007- present

Norman Lehrer Atttorney Of Counsel

Norman Lehrer

Attorney – Of Counsel

Norman has almost 50 years of experience representing companies and individuals in intellectual property matters.  He has prepared, filed, and prosecuted over 500 patent applications and over 2000 trademark applications in the United States and in foreign countries.

Norman also has extensive experience as lead counsel in more than 200 patent, trademark, and copyright cases in the federal courts throughout the United States, with a primary focus of litigation in the District Court of New Jersey. He has also litigated before the United States Trademark Trial and Appeal Board.

After beginning his career as a Patent Examiner in the Mechanical Examining Group at the U.S. Patent and Trademark Office, Norman entered private practice as a patent agent at a Washington, D.C. firm, and then practiced law at an intellectual property boutique in Philadelphia, PA.  He then established his own practice in Cherry Hill, NJ, where he focused on intellectual property law.

Norman serves on the Local Patent Rules Committee of the United States District Court for the District of New Jersey, having been appointed to the Committee in 2008 by the Chief Judge of that court.

Norman is also a member of national engineering honor societies, including Tau Beta Pi, Sigma Tau, and Eta Kappa Nu.  He is a frequent speaker at school, business, and legal groups on intellectual property law, and a guest lecturer at Temple and Rutgers Law Schools.


  • University of Pennsylvania, B.S. in Electrical Engineering (1970)
  • George Washington University, J.D. (1974)

Bar Admissions

  • New Jersey
  • U.S. Supreme Court
  • U.S. District Court, District of New Jersey
  • U.S. Court of Appeals, Second Circuit
  • U.S. Court of Appeals, Third Circuit
  • U.S. Court of Appeals, Federal Circuit

Professional Associations

  • Local Patent Rules Committee, United States District Court for the District of New Jersey
  • Federal Bench Bar Committee, Camden County Bar Association

Emmett S. Collazo Attorney

Emmett S. Collazo


Emmett has counseled international corporations, software companies, start-ups, non-profit foundations, marketing firms, lawyers, artists, and inventors on protecting their innovations, products, messages, and other investments.

His expertise includes patent and trademark litigation and prosecution, international intellectual property enforcement against counterfeiters and infringers, copyright, trademark, and patent licensing, and providing clients with due diligence and clearance opinions. His analysis of litigation positions and innovators’ goals, as well as the costs and benefits of outcomes, is informed by years of litigation for Fortune 500 companies.

He is also extensively trained in chemistry, aviation, classified electronic warfare systems (including telecommunications jamming, satellite technologies, and GSM/CDMA communications technologies), and software issues (including file-sharing, virus, and open – source matters).

Before entering private practice, Emmett was a Judge Advocate in the U.S. Marine Corps, where he defended individuals facing federal criminal charges and served as sole or lead counsel in jury trials. Prior to earning his J.D. and LL.M. at George Mason University, Emmett was as a U.S. Marine Corps aviator, commanding telecommunications missions across the globe, including in combat zones.

As a Marine Corps Reservist, he now defends individuals accused of federal crimes before military appeals courts, including the Navy-Marine Corps Court of Criminal Appeals and the Court of Appeals for the Armed Forces.

He is registered as a patent attorney with the United States Patent and Trademark Office and is licensed to practice in New Jersey, Pennsylvania, Washington, D.C., and numerous federal courts. He also founded and runs the IP Law Update blog, located at iplawupdate.blogspot.com.


  • United States Naval Academy, B.S. in Chemistry, 1998
  • George Mason University School of Law, J.D., LL.M. (Law & Economics) 2007

Bar Admissions

  • New Jersey
  • Pennsylvania
  • Washington, D.C.
  • U.S. Patent and Trademark Office
  • U.S. District Court, District of New Jersey
  • U.S. District Court, Eastern District of Pennsylvania
  • U.S. District Court, Western District of New York

Recent Articles / Speaking Events

  • “Open Source Software Licenses,” IEEE, New York, NY (Webinar), July 25, 2012
  • “Protecting Intellectual Property with Copyrights,” Business Development Academy (Webinar), Feb. 2, 2012
  • “Protecting Brand Reputation with Software Copyrights,” IEEE-USA Today’s Engineer, Jan. 12, 2012
  • “The Slow Adoption of eBay into Copyright Law,” DRI, Dec. 2, 2011 (examining injunction tactics)
  • “Patent System Reform 2011,” IEEE-USA Today’s Engineer, Oct. 11, 2011
  • “Supreme Court Rejects the Cardinal’s Rule,” DRI, July 8, 2011 (analyzing patent licensing failures)

Kristine L. Butler Attorney

Kristine L. Butler


Kristine focuses her practice on counseling emerging and established companies as well as individuals and entrepreneurs regarding their intellectual property matters. She has litigated patent, trademark, and copyright infringement matters, as well as false advertising and unfair competition cases. She has extensive experience as local counsel in the District Court of New Jersey in trademark and patent infringement matters, including Hatch-Waxman / ANDA litigations, as well as multidistrict litigations.

Kristine’s practice also includes working with her clients to develop their brands and protect their U.S. and international trademark portfolios, which includes assisting them with trademark selection and clearance. She also guides them in the trademark registration process, and assists with the maintenance of their trademarks. In addition, she has experience litigating trademark matters before the Trademark Trial and Appeal Board of the United States Patent and Trademark Office.

Prior to joining DiMarino, Lehrer & Collazo, P.C., Kristine served as a law clerk to the Honorable Lois H. Goodman of the United States District Court of the District of New Jersey as well as a temporary law clerk to the Honorable Tonianne J. Bongiovanni, also of the U.S. District Court of the District of New Jersey. She also has practiced in intellectual property boutique firms in New Jersey, as well as in the intellectual property department of two national firms based in New Jersey.


  • Widener University, B.S. in Biology, 1995
  • Widener University Delaware Law School, J.D. 1998

Bar Admissions

  • New Jersey
  • U.S. Patent and Trademark Office
  • U.S. District Court, District of New Jersey
  • U.S. District Court, Eastern District of New York
  • U.S. District Court, Southern District of New York
  • U.S. Court of Appeals, Third Circuit
  • U.S. Court of Appeals, Federal Circuit

Professional Associations

  • John C. Lifland Inn of Court (focuses on federal litigation in New Jersey), Program Chair (2017 – Present), Executive Committee Member (2012 – Present), Master (2011 – Present)
  • New Jersey Intellectual Property Law Association, Chair of the Jefferson Medal Committee (2010 – Present), President (2008), Board Member (2004 – 2007)
  • The Association of the Federal Bar of the State of New Jersey

Recent Articles/Speaking Events

  • Presented “Global Dossier Primer” at the 35th Annual Joint Patent Practice Seminar, 2019
  • Moderated a Panel on “The Foundations of Appeals: What Not to Do on Your Way to Appellate Court,” John C. Lifland Inn of Court, February 5, 2018
  • Moderated a Panel on “Rule 16 Conference: A Judicial Perspective from Each Vicinage,” John C. Lifland Inn of Court, December 11, 2017
  • Guest lectured on “Intellectual Property Litigation” for Fundamentals of Intellectual Property course in Rutgers University’s Master of Business and Science program, 2012 – 2014
  • Guest lectured on “Intellectual Property and Market Exclusivity” for Fundamentals of Regulatory Affairs course in Rutgers University’s Master of Business and Science program, 2012 – 2014
  • Presented “Three Dimensional Trademarks: Strategies for Overcoming the Functionality and Configuration Refusals,” Table Topic at the INTA Annual Meeting in Dallas, Texas, 2013
  • Published “Are Entire Portions of the Color Palette Trademark-Eligible” with co-author Anthony S. Volpe in the Legal Intelligencer, 2013
  • Presented “Trademarks and Unfair Competition,” at the NJICLE Business Law Symposium, 2013
  • Published “Right ‘Pop’ of Color Can be a Legally Protected Trademark” with co-author Anthony S. Volpe in the Legal Intelligencer, 2012
  • Moderated a Panel on “How to Navigate Your Way Through Conflicts of Interest” at the AUTM National Conference in Texas, 2013, and at the AUTM Eastern Regional Meeting, 2012
  • Presented “Choice of Patent Venue After the America Invents Act: Restrictions on multidefendant infringement actions and the diminished significance of state of incorporation under In Re Link_A_Media Devices (Fed Cir. 2011)” at the 28th Annual Joint Patent Practice Seminar, 2012
  • Published “Jailbreaking the iPhone Among New Exemptions to the DMCA,” in the Legal Intelligencer, 2010
  • Panel speaker on Legal Issues in Advertising for the Pennsylvania Bar Institute CLE, Philadelphia, PA, Nov. 4, 2008, Pittsburgh, PA, 2008
  • Published “False Advertising Under Section 43(a) of the Lanham Act” for Legal Issues in Advertising, Pennsylvania Bar Institute, PBI No. 2008-5455, 2008

Fred Wilf Attorney of Counsel

Fred Wilf

Attorney – Of Counsel

Fred Wilf has been practicing technology and intellectual property law since 1985. He represents individuals and companies for most legal issues that arise with technology (including information technology, chemicals, mechanical and electronic technologies) across all industries. He writes and negotiates contracts with the goal of helping the client close the right deal. He files and prosecutes trademark and copyright applications to help protect the client’s rights. Fred also consults on related issues, including data privacy and confidentiality.

Fred worked briefly as a computer programmer to help pay for college. As a lawyer, Fred has worked in law firms of all sizes, including small firms, a regional law firm, and an international law firm. Fred has also briefly worked as an in-house counsel at publicly-traded companies. Fred serves as an arbitrator of disputes involving business, technology and intellectual property issues for the American Arbitration Association.

Fred also writes and speaks on topics at the intersection of law, technology and business.

Fred gives back to the community in many ways, including by working with charities and other non-profit organizations, and by helping to organize and speak at continuing legal education seminars for other lawyers.


  • Case Western Reserve University School of Law, J.D.
  • Rutgers, The State University of New Jersey-Camden, B.A. in Accounting, minors in Economics and Computer Science

Bar Admissions

  • Supreme Court of New Jersey
  • Supreme Court of Pennsylvania

Professional Associations

  • International Association of Privacy Professionals, Member of the Privacy Bar Section. 2015 – Present. IAPP is the one of the largest groups of privacy professionals in the world. The Privacy Bar Section is for lawyers who have a substantial practice in privacy and security issues. More at https://iapp.org/
  • Rowan Innovation Venture Fund, Member of the Advisory Committee, 2015 – Present The Rowan Innovation Venture Fund is a private equity fund that seeks to nurture and fund startup businesses from the Rowan University community (students, faculty and staff), and from the local community in South Jersey. I am a member of the Advisory Committee, which works with startups, hears pitches, and makes recommendations. The Rowan Innovation Venture Fund is online at http://www.rowan.edu/home/rowan-innovation-venture-fund
  • Beacon (f/k/a Greater Philadelphia Senior Executive Group), Member, 2009 – Present. Beacon is a professional association of senior executives who work together to share contacts and experience, and to support and educate our members. The organization’s motto is “networking for life.” Beacon is online at www.beacon4life.org
  • Trenton Computer Festival, Speaker, 1988 – Present. Trenton Computer Festival is organized by The College of New Jersey, and has been held every Spring since 1976 (http://tcf.pages.tcnj.edu/)

Honors & Awards

  • One of the Best Lawyers for Information Technology Law, Best Lawyers in America, 2011-Present, Best Lawyers in America (bestlawyers.com) for years 2011 through the present.
  • Volunteer of the Year, Philadelphia Volunteer Lawyers for the Arts 2007. Philadelphia Volunteer Lawyers for the Arts is at https://pvla.org/ . Fred was one of two volunteers honored that year.
  • Martindale-Hubbell AV Preeminent, Martindale-Hubbell 2005-Present. Martindale-Hubbell AV Preeminent® Peer Review Rated is a certification mark of Reed Elsevier Properties Inc., used under in accordance with the Martindale-Hubbell certification procedures. Attorneys rank each other on ethics and ability. The standards and policies are at www.martindale.com
  • Milton Schwartz Award, Independent Computer Consultants Association 2001. The Milton Schwartz Award was awarded by the Independent Computer Consultants Association “for outstanding legal contributions to the computer consulting industry and to the Association.”

Josh Waterson Attorney of Counsel

Josh Waterson

Attorney – Of Counsel

Josh Waterston practices intellectual property and technology law, with a focus on enabling business owners and entrepreneurs to prevent or resolve legal issues. He has managed people and budgets, and applies this practical knowledge to his practice.

Josh has spent much of his career as a litigator. He has handled civil and criminal litigation from trial through appellate stages, having litigated well over 30,000 cases in two decades. Josh is admitted to practice in Pennsylvania state courts, as well as the United States District Courts in the Eastern, Middle, and Western districts of Pennsylvania.

He served for over seven years as Chief Counsel of the Delaware County Office of Support Enforcement, managing the law office of Pennsylvania’s third-largest child support agency, and was previously an Assistant Public Defender for Delaware County. Josh was previously associated with two other firms, practicing intellectual property and technology law. He has represented clients in Federal copyright, trademark, and patent infringement litigation.

While attending Widener University School of Law, Josh served as a legal intern to the Honorable Joseph F. Battle. He is a member of the Delaware County Bar Association, the Pennsylvania Bar Association, and the Pennsylvania Intellectual Property Forum, and is a current member and former board member of the Cloud Security Alliance – Delaware Valley Chapter.

He has been voted one of the top attorneys in Delaware County and the Main Line over the last several years.

Sandi Doner Paralegal

Sandi Doner


Sandi has more than thirty years’ experience as a complex litigation paralegal.

At our firm, she assists the attorneys with the filing and prosecution of trademarks and patents. For our litigation clients, she is involved in every phase of trial, from investigations, through discovery and document production, through to trial and post trial motions. Sandi is also versed in contract writing and consistency in multiple document master service agreements and the supporting statements of work.

Prior to transitioning to the intellectual property arena in 2009, Sandi was a litigation paralegal assisting plaintiffs involved in personal injury and medical malpractice claims.

Sandi was raised in the Cherry Hill area and graduated from Cherry Hill High School East. She is also a graduate of Peirce Junior College, summa cum laude, and a graduate of Widener University, magna cum laude.

Sandi has been involved in the administration of a global 501(c)(3) corporation for over thirty years. She has been the regional vice president for two terms. This volunteer work has shown her how to manage in excess of 100 local counterparts at a time, assist a regional membership in excess of 15,000 people, and write internal laws and policies.

Kathleen Ruzzo Legal Assistant

Kathleen Ruzzo

Legal Assistant

Kathie has been a legal assistant to Norman Lehrer for 44 years. She has assisted with the preparation and filing of patent and trademark applications in the United States and in foreign countries. Kathie has been responsible for docketing and maintaining all patent properties and trademark properties.

Jeanne M. Vitale Office Manager

Jeanne M. Vitale

Office Manager

Jeanne Vitale was raised and lives in the Cherry Hill area.

Prior to joining our firm in 2016, she began a new career as a legal assistant working for a general practitioner for 7 years.

Jeanne is responsible for managing office services by ensuring office operations and procedures are organized, correspondence and documents are managed, and filing systems are followed.

She also assists with accounting, including invoicing clients and payment of expenses, maintains communications with clients and sustains office relationships with vendors and service providers.