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Todd Langford

Senior Counsel

Todd Langford is Senior Counsel in Greenspoon Marder’s Intellectual Property practice group. As a patent attorney, Mr. Langford prepares and prosecutes patent applications before the United States Patent and Trademark Office in a wide range of fields, including optical lenses, holograms, network connected devices, user interfaces, medical devices, outdoor products, and other consumer goods. Having successfully prosecuted over 200 patents and trademarks, Mr. Langford has a proven track record of obtaining intellectual property protection for his clients. In addition to his extensive patent and trademark prosecution experience, Mr. Langford represents litigants in Federal and State court with respect to intellectual property matters as well as represents clients before the USPTO for trademark oppositions and petitions to cancel as well as patent inter partes reviews (IPRs), covered business method reviews (CBMs), and post grant reviews (PGRs). On the transactional side, he represents clients in various matters, including counseling on brand protection, licensing, purchases and sales, business agreements, and international intellectual property portfolio management.

Court Admissions

  • U.S. District Court, Central District of California
  • U.S. District Court, Northern District of California
  • U.S. District Court, Southern District of California
  • U.S. District Court, Colorado

Bar Admissions

  • California
  • U.S. Patent and Trademark Office


  • J.D., University of San Diego School of Law, 2007
  • B.S., Aerospace Engineering, University of California, Los Angeles, 2003

Representative Experience


  • U.S. Pat. No. 10,099,234 Portable fluid dispensing system
  • U.S. Pat. No. 9,869,884 Contact lens
  • U.S. Pat. No. D802,507 Muffler
  • U.S. Pat. No. 9,770,732 Portable spray system
  • U.S. Pat. No. 9,724,487 Multifunction oxygen mask
  • U.S. Pat. No. 9,706,851 Mattress core
  • U.S. Pat. No. 9,470,041 Rail and post assembly and method of use
  • U.S. Pat. No. 9,445,933 Vacuum splint
  • U.S. Pat. No. D761,385 Portable shower system
  • U.S. Pat. No. 9,375,289 Intra-oral device
  • U.S. Pat. No. 9,115,882 Fluid cooled lighting element
  • U.S. Pat. No. D736,860 Game controller grip
  • U.S. Pat. No. D726,303 Multifunction oxygen mask
  • U.S. Pat. No. 8,943,858 Cartridge system for dispensing substances into a washing machine
  • U.S. Pat. No. 8,864,092 Television mount assembly
  • U.S. Pat. No. 8,765,460 Photobioreactor system for mass production of microorganisms
  • U.S. Pat. No. 8,720,916 Skateboard truck
  • U.S. Pat. No. 8,474,081 Vortex turbine cleaner
  • U.S. Pat. No. 8,317,164 Fence rail with concealed fastener
  • U.S. Pat. No. 8,212,484 Initiation method for abnormal glow plasma discharge in a liquid-phase medium and apparatus for its implementation
  • U.S. Pat. No. 8,203,713 Method and device for quantitatively determining the surface optical characteristics of a reference object comprised by a plurality of optically differentiable layers
  • U.S. Pat. No. 8,142,627 System for monitoring, control, and management of a plant where hydrometallurgical electrowinning and electrorefining processes for non ferrous metals
  • U.S. Pat. No. 8,020,516 Device and method for the capture of larvae and the sea-culture of sea urchins and abalone
  • U.S. Pat. No. 7,695,166 Shaped LED light bulb
  • U.S. Pat. No. 7,597,671 Low-temperature reusable thermoplastic splint


  • U.S. Reg. No. 5536271    RINSEKIT
  • U.S. Reg. No. 5508124    LEVEARS
  • U.S. Reg. No. 5497561    ATSG
  • U.S. Reg. No. 5287797    QUALITY IN CRAFT AWARD
  • U.S. Reg. No. 5231021    QUICKSPLINT
  • U.S. Reg. No. 5113485    NEW YORK WEST
  • U.S. Reg. No. 4996088    CLARITY DESIGN
  • U.S. Reg. No. 4982707    CARVEN EXHAUST
  • U.S. Reg. No. 4979682    X31 SPORTS
  • U.S. Reg. No. 4957372    MENTION MY BIZ
  • U.S. Reg. No. 4783493    GROUND 2 TABLE
  • U.S. Reg. No. 4736009    KIDZERTS GO, GROW, PLAY
  • U.S. Reg. No. 4699507    FUNC
  • U.S. Reg. No. 4629779    HOPE2O
  • U.S. Reg. No. 4435166    FENCES4LESS.COM


  • Komipharm International Co., Ltd. v. Bissox Incorporated et al., California Superior Court, representing defendant in an international patent ownership dispute covering anti-cancer drugs
  • Futbolr Global, LLC v. FTBLR et al., United States District Court for Southern District of New York, representing defendant in trademark infringement action covering athletic apparel
  • Direct Solar Supply, Inc. v. Shanghai Chiko Solar Technology Co., Ltd, California Superior Court, representing defendant in an international patent ownership dispute
  • Chukran Management Group, LLC v. Moxy Solutions, LLC, et al., California Superior Court, representing defendant in trade secret missapropriation matter
  • Anza Technology integrated circuit (“IC”) bonding litigation, United States District Courts, representing plaintiff in multiple ongoing patent infringement cases involving IC chip bonding technolog

Professional and Community Involvement

  • Arizona Technology Council, Member
  • Cassero at Del Sur Home Owners Association, Board of Directors, 2013-2018

Speaking Engagements

  • Speaker, “The Legal Lawyers of 3D Printing,” The Arizona Tech Council Monthly Lunch and Learn, April 9, 2019
Publications News & Videos