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David Michael Lilenfeld

About me

I represent corporate and individual clients in all aspects of trademark disputes and portfolio management. I have litigated trademark, copyright and trade secret cases in state and federal courts, at the appellate level and before the U.S. Patent and Trademark Office and the Trademark Trial and Appeal Board.


Practice areas


  1. Trademark Infringement: 35%
    11 years, 150 cases
  2. Patent Infringement: 25%
    50 cases
  3. Copyright Infringement: 25%
    13 years, 75 cases
  4. Trademark Application: 10%
    13 years, 125 cases
  5. Copyright Application: 5%
    13 years, 100 cases



Hourly ($225-325/hour), contingent (25-45%), Free consultation (15 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

1 total 

Are you an attorney? Endorse this lawyer

  • Matthew Robert Thiry

    I endorse this lawyer. I have had the pleasure of working with David on a litigation matter. David is an intelligent and professional advocate. I look forward to working with David again in the future.


    Matthew Thiry Litigation Attorney
    Relationship: Worked together on matter

Contact info

2970 Peachtree Road, Nw, Suite 530
Atlanta, GA, 30305


GAActive Member in Good Standing 199811/07/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Georgia Trends Legal EliteGeorgia Trends2015
Super LawyersSuper Lawyers Magazine2015
SuperLawyersSuper Lawyers Magazine2014
SuperLawyersSuper Lawyers Magazine2013
Rising StarSuper Lawyers2010
Rising StarSuper Lawyers Magazine2009
Work experience
TitleCompany nameDuration
Managing PartnerLilenfeld PC2005 - Present
Association namePosition nameDuration
Georgia Bar Association, Intellectual Property LawCommittee Chair2010 - Present
Publication nameTitleDate
Atlanta Journal ConstitutionTread warily with trademarks2011
Atlanta Journal ConstitutionTrademarks Amid Tragedy2011
Atlanta Journal ConstitutionGuard Intellectual Property,2011
Atlanta Business ChronicleQ&A Avoiding Social Media Legal Pitfalls2011
Intellectual Property TodayProtect Your Company’s Trademark on the Internet2011
IP Law Section of the State Bar of GeorgiaThe Social Network — An IP Litigator’s Review of the Movie about Facebook2011
Atlanta Bar AssociationCloud Computing 101: Considerations for the Small Firm Lawyer2011
Atlanta Journal ConstitutionShield Brand from Ad Tricks2010
Managing Intellectual PropertyHow Should I Prune My IP Portfolio?2010
IP Frontline.comIs Your Company's Trademark Being Hijacked2010
IP Frontline.comFive Strategies Business Owners Can Use to Protect Their Intellectual Property2010
Atlanta Bar Association Small Firm SectionHas Notice Pleading Gone Extinct?: A Summary of the Shift in the Federal Pleading Standard,2010
Atlanta Bar AssociationTips to Help Your Clients Avoid Trademark Disputes2008
Georgia Bar NewsletterEnforceability of Clickwrap and Webwrap Agreements,2003
Technology LawDiscovery in Technology Litigation: How to Dot the "i" and Cross the "t"2002
Ohio State Law JournalWhy Congress Should Eliminate the Multiple Performance Doctrine1997
School nameMajorDegreeGraduated
Ohio State UniversityLawJD - Juris Doctor1996
City University of New York, Hunter CollegeN/ABA1992
Speaking engagements
Conference nameTitleDate
IP Law InstituteExpanding Role of Copyright in Digital Media2014
Georgia Tech MBA ProgramIntellectual Property Litigation2013
Technology Association of GeorgiaIntellectual Property Overview2012
Georgia Tech MBA ProgramPatent Wars2012
Strategic Self-Publishing Conference in AtlantaLegal Issues of Self-Publishing2010
Georgia Bar AssociationIntellectual Property Section of the State Bar of Georgia regarding pleading requirements under Twombly/Iqbal2010
Entertainment, Sports and IP Conference in Guanacaste, Costa RicaProtection of IP for Athletes/Celebs2010
Young Lawyers Association WebinarProfessionalism in Our Profession2009
IP Section for State Bar of GeorgiaIntellectual Property Section of the State Bar of Georgia, Standing and Other Pre-Suit Considerations in Copyright and Trademark Disputes2008
IP SectionIntellectual Property Section of the State Bar of Georgia, "Fair Use" Defense in Trademark Cases2008
National Business Institute SeminarNational Business Institute Seminar, Introduction to Intellectual Property Issues2007
IPE SeminarIPE Seminar, E-Discovery: Definitions, Applications and Federal Rules of Civil Procedure Changes2007