Mr. Gatto serves as firmwide leader for Intellectual Property, is co-leader of the firm's Open Source practice and leads the Virtual Worlds & Video Games team.

He advises clients worldwide on all aspects of IP strategy, including patent, trademark, copyright, trade secret, open source and Internet law, as well as on the full range of IP issues, from identifying and developing strategies for protecting IP, preparing and filing patent and trademark applications and handling IP intensive transactions, to licensing and selling patents, rendering infringement and validity opinions and serving as a first chair IP litigator. His areas of technical focus include video games, computer software, bioinformatics, personalized medicine, optics, semiconductors, telecommunications, financial services, business methods and Internet-related inventions, including virtual worlds, user generated content, and social networking technologies.

Mr. Gatto started in the patent field in 1984 as a patent examiner in the electro-optics area. He has had leading roles in a number of national and local patent-related legal and industry organizations.

Over the years, he has been recognized by his peers as a top lawyer in his field—he is ranked as "AV" from Martindale Hubbell Law Directory, the highest rating given to participating attorneys. Since 2005, he has been ranked by Chambers USA as one of America's Leading Intellectual Property Lawyers in Northern Virginia. He was named a 2006 Virginia "Super Lawyer" by Law & Politics and Richmond Magazine and, most recently, was included in the 2008 Washington DC Super Lawyers list, as well as in the 2007 and 2008 editions of Legal 500 as a leading lawyer in patent litigation and patent prosecution, the directory's highest recognition available.

• Obtained preliminary and permanent injunction on behalf of financial services company for a business method patent relating to the municipal bond industry
• Prevailed in a patent interference matter for a university professor for his Nobel-prize winning invention in the field of Chemistry
• Successfully sued the United States Government for patent infringement in the Court of Federal Claims
• Successfully defended two patent infringement lawsuits in the Internet coupon field and successfully enforced patent against a competitor in a third suit
• In a declaratory judgment action filed against a California company in Asheville, NC, obtained summary judgment of infringement, validity and enforceability on behalf of a patent owner
• Successfully represented a bioinformatics company in a patent infringement lawsuit involving Oxford Gene Technology patents relating to oligonucleotide arrays
• Developed a patent portfolio, which has been successfully enforced, for pioneering semiconductor technology relating to gallium nitride based blue LEDs and blue laser devices