Webum > Society > Law > Services > Lawyers and Law Firms > Intellectual Property > North America > United States > Illinois Chicago@ See also Regional > North America > United States > Illinois > Business and Economy > Legal Services David MacTavish Maple Park attorney emphasizing intellectual property issues. Marc D. Machtinger, Esq. Buffalo Grove. Registered patent attorney, offering patent, trademark, copyright, and related intellectual property services. Former patent examiner. Meroni & Meroni Trademarks, patents, copyrights and related intellectual property matters. In Barrington. Neal & McDevitt Specializes in trademark, copyright, and unfair competition law. Evanston. Help build the biggest human edited directory on the internet Add your website - Open Directory Project - Become an editor