Established in 1972, Allen, Dyer, Doppelt, Milbrath & Gilchrist provides a range of legal and business counseling services. The firm handles cases related to patents, trademarks, copyrights, invention marketing and trade secrets. Allen, Dyer, Doppelt, Milbrath & Gilchrist maintains a work force of more than 25 attorneys. The firm deals in various matters related to patent law, such as obtaining patents for inventions, asserting patent rights against infringers, defending against patent infringement allegations and licensing of patents. Allen, Dyer, Doppelt, Milbrath & Gilchrist also handles trademark opposition and cancellation and dispute resolution proceedings for Internet domain names. The firm additionally provides Securities arbitration and copyright acquisition services.