Our Practice Areas

Patent Acquisition and
Counseling

ADD+G obtains patents in a broad range of technology areas for its clients. ADD+G has consistently been named by the trade…

Trademark/Copyright
Acquisition and Counseling

An ADD+G Florida trademark attorney provides a comprehensive range of legal services relating to trademarks, including…

Intellectual Property
Litigation

ADD+G provides litigation services for all types of intellectual property disputes including those involving patent, copyright, trademark,…

About Our Firm

For over 45 years, Allen, Dyer, Doppelt + Gilchrist has been a formidable presence in Florida law, specializing in intellectual property and complex business litigation. Our depth of experience allows us to provide effective legal services to a range of clients from individual entrepreneurs to national and international corporations.

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Our History

Herb Allen became an Orlando patent attorney in 1972 after gaining significant experience as patent counsel for RCA Corporation, joining two other patent attorneys to establish

Our Recruiting

ADD+G continually seeks highly qualified attorneys with strong academic credentials for all of its practice areas. ADD+G, at its central Florida offices

Recent News

ADD+G attorney Jack G. Abid presented at the R&D 100 Conference about key issues when transitioning Intellectual Property from non-profits to profit-based entities.
November 16, 2018

ADD+G attorney Jack G. Abid presented at the R&D 100 Conference about key issues when…

ADD+G has been recognized by Acquisition International with their Excellence Award, The Most Innovative Intellectual Property Law Firm In Florida. The AI Global Excellence Awards are to recognize and reward the firms and individuals with a commitment to sustained outstanding performance. The 2018 Global Excellence recipients are handpicked by AI magazine based on comprehensive analysis and research.
November 1, 2018

ADD+G has been recognized by Acquisition International with their Excellence Award, The Most Innovative Intellectual…

ADD+G attorney Brian Gilchrist has been named USA Lawyer of the Year for Trade Secrets in The Lawyer Monthly Legal Awards for 2018. Lawyer Monthly recognizes the achievements of law firms, lawyers, counsel and those connected to the legal world who have a proven track record in delivering results for their clients over the past twelve months.
October 29, 2018

ADD+G attorney Brian Gilchrist has been named USA Lawyer of the Year for Trade Secrets…

ADD+G has been named the Editor’s Choice winner of the 2019 Corporate Intl Magazine Global Award for IP Litigation Law Firm of the Year in Florida. Corporate INTL’s annual awards mark excellence for the world’s leading advisers and financiers in an array of countries and continents.
October 29, 2018

ADD+G has been named the Editor's Choice winner of the 2019 Corporate Intl Magazine Global…

On October 26, 2018, the US Court of Appeals for the Federal Circuit affirmed the judgment and permanent injunction previously secured by ADD&G attorneys Ryan Santurri and Brian Gilchrist on behalf of ADD&G client Axon, formerly TASER International, the manufacturer of TASER-branded conducted electrical weapon (CEW) technologies. ADD&G attorney Ryan Santurri worked with Pam Petersen, Axon’s in-house counsel, to secure the affirmance of the judgment. A copy of the Court’s Order is attached here.
October 29, 2018

On October 26, 2018, the US Court of Appeals for the Federal Circuit affirmed the…

ADD+G attorney Matthew McKinney secured a preliminary injunction in U.S. District Court, Middle District of Florida (Tampa Division) against a Defendant’s use of an infringing trademark. The litigation entitled Integrity Services of Tampa, Inc. v Integrity Turf Solutions, LLC (Case No. 8:18-cv-02165) involves the assertion of the client’s unregistered trademark rights under the Lanham Act against a competing pest control company in the Tampa Bay area.
October 26, 2018

ADD+G attorney Matthew McKinney secured a preliminary injunction in U.S. District Court, Middle District of…

ADD+G attorney Ryan Santurri won a jury trial involving copyright infringement of software in the United States District Court in Denver, Colorado. The outcome was a complete victory for ADD+G client Live Face on Web, LLC, with the Jury awarding $262,197 in actual damages for the unlicensed use of Live Face on Web’s virtual spokesperson software.
October 8, 2018

ADD+G attorney Ryan Santurri won a jury trial involving copyright infringement of software in the…

The Women’s Executive Council selected Ava Doppelt to receive their Achievement Award for her outstanding work in the legal profession. Ava Doppelt is certified by the Florida Bar in Intellectual Property Law and manages trademark and copyright portfolios, she has substantial litigation experience in federal and state court and administrative agencies, advising clients on trademark, publishing, entertainment, and licensing, franchising, and copy right matters. Ms. Doppelt was formerly an attorney for Prentice-Hall, Inc. and The Reader’s Digest Association, Inc. She was the President of the Orlando Ballet and serves on the boards of the Florida Lawyer’s Mutual Insurance Company and The Association to Preserve the Eatonville Community. The award was presented October 1st, 2018 at the 46TH Annual Women’s Achievement awards.
October 2, 2018

The Women’s Executive Council selected Ava Doppelt to receive their Achievement Award for her outstanding…

Florida Trend selects Ava Doppelt, who is certified in intellectual property law, as one of Florida’s Most Influential Business Leaders. Ava Doppelt has been active in mentorship programs for women lawyers, has served as the president of the Orlando ballet, is on the boards of the Florida Lawyers Mutual Insurance and the Association to Preserve the Eatonville Community.
September 27, 2018

Florida Trend selects Ava Doppelt, who is certified in intellectual property law, as one of…

Ava Doppelt and Herbert Allen, lawyers of the year of Trademark Law in Orlando Florida.
August 27, 2018

Congratulations to both Ava Doppelt and Herbert Allen for receiving the 25th edition of "Lawyers…

Congratulations to Ava Doppelt, Brian Gilchrist and Herbert Allen on your selection by your peers for inclusion in the 25th Edition of The Best Lawyers in America.
August 16, 2018

  Congratulations  to Ava Doppelt, Brian Gilchrist and Herbert Allen on your selection by your…

ADD+G is a sponsor of the Central Florida Blues Challenge to be held on Sunday, August 5, 2018 at The Alley in Sanford, Florida.
August 1, 2018

ADD+G is a sponsor of the Central Florida Blues Challenge to be held on Sunday,…

ADD+G was a Gold-Level sponsor the 9th Annual “Vice is Nice” fundraiser for the Animal Rescue Alliance Farm Sanctuary, which was held in Chatsworth, California on July 28, 2018.
August 1, 2018

ADD+G was a Gold-Level sponsor the 9th Annual “Vice is Nice” fundraiser for the Animal…

ADD+G is ranked number 25!
June 21, 2018

Largest Central Florida Law Firms Ranked by C. Fla. attorneys Locally Researched by: Denise Hicks,…

ADD+G would like to congratulate Brock Hankins on your recent appointment to the 2018-19 board of The Florida Bar Young Lawyers Division
May 24, 2018

Congratulations Brock Hankins on your recent appointment to the 2018-19 board of The Florida Bar Young Lawyers Division!…

ADD+G would like to congratulate David Sigalow on recently being recognized in the Los Angeles/ San Francisco Daily Journal!
May 23, 2018

Shout out to David Sigalow--he was recently recognized for his amazing trademark work by Pow! Entertainment's…

World’s leading trademark professionals in the WTR 1000 2018
May 22, 2018

ADD+G would like congratulate Ava Doppelt on being listed as one of the world’s leading trademark…

ADD+G Attorneys Secure Judgment Against Danish Domain Name Registrar
May 2, 2018

Allen Dyer shareholders Robert H. Thornburg and Ryan T. Santurri teamed up to secure a…

ADD+G attorney Ryan Santurri secures award of attorney fees for ADD+G client in copyright litigation
April 26, 2018

ADD+G attorney Ryan Santurri secured a major victory for ADD+G clients Terry and Kim Neisler,…

ADD+G attorney Matthew McKinney secured a quick and favorable resolution from the Defendant after filing a lawsuit in U.S. District Court, Middle District of Florida
April 26, 2018

ADD+G attorney Matthew McKinney secured a quick and favorable resolution from the Defendant after filing a…

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Recent Patents & Trademarks

Patents

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Trademarks

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Office Locations

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Orlando (Main Office)

Orlando (Main Office)

255 South Orange Avenue, Suite 1401
Orlando, Florida 32801

Phone:(407) 841-2330
Toll Free:(877) 886-8810
Fax:(407) 841-2343

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Winter Springs

Winter Springs

Tel: 407-796-5051
Toll Free: (877) 886 8810
Fax: 407-841-2343

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Jacksonville

Jacksonville

Tel: 904-398-7000
Toll Free: (877) 886 8810
Fax: 904-398-7003

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miami

Miami

Miami

Phone: (305) 374-8303
Toll Free: (877) 886-8810
Fax: (305) 374-8306

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