Corridor Law Group: A Profile of Efficiency

From offices in downtown Chicago and along the I-88 Research and Technology Corridor, veteran patent attorneys with pedigrees from the top IP law firms put their decades of IP experience to work for you and your most important innovations. At Corridor, you get the doctor without paying for the hospital. No layers of people, no churning your work. And we make house calls.

Corridor Law employs state of the art law office facilities that minimize overhead and maximize productivity. Corridor Law has an extensive network of co-counsel to provide depth in specific technical and legal practice areas, like litigation and foreign patent procurement. A strong co-counsel network puts the right amount of talent to work as your project needs vary.

Corridor Law’s continuous improvement model assures that you get the highest quality work at the most reasonable cost. Corridor Law offers flexible client billing models, including fixed monthly retainer, billing upon completion of a project, company stock in lieu of cash payment, or traditional hourly billing. Our billing rates are 25% below the top mid-western IP firms and 50% below the top national general practice firms.


Robert W. Fieseler
Robert W. Fieseler
Attorney and FounderBob Fieseler helps technology companies to grow and flourish. Companies come to Bob when they need an IP lawyer who understands their business and devises strategies to capture the full value of their intellectual property. Bob takes technology startups from infancy to commercial profitability using IP techniques that deliver powerful protection at an affordable cost. Bob’s particular passion is clean energy, where he has served as principal IP counsel for the leading hydrogen fuel cell and natural gas engine developers. Before starting the Corridor Law Group, Bob practiced for 21 years at McAndrews, Held & Malloy, Ltd., the leading Chicago IP firm.
Christopher J. Buchko
Christopher J. Buchko
Attorney and ShareholderChris Buchko serves companies in the advanced materials and life sciences fields. Chris procures strong patents for clients in technology areas including specialty chemicals, biotech, pharmaceuticals, medical devices, medical imaging and telecommunications. Chris conducts competitive patent analyses and builds patent portfolios with broad coverage and high licensing value. Before his admission to the bar, Chris worked as an engineer and then a patent agent for Guidant Corporation, a leading medical device company. As a former R&D engineer and inventor, Chris brings to his work critical insights from both a legal and an industrial perspective.
Ryan M. Truesdale
Ryan M. Truesdale
AttorneyRyan Truesdale has represented start-ups to Fortune 100 companies and has a variety of IP experience within the sports apparel, medical, and telecommunications industries. Ryan is versed in handling trademark registration, patent prosecution, and IP litigation with one of the matters he worked on reaching the Supreme Court. Well-rounded, young and knowledgeable, Ryan offers a unique set of experience for clients looking for maximum IP protection, and for those in need of creating comprehensive IP strategies. He is a graduate of the University of Chicago Law School and holds a B.S. from the University of Notre Dame in Physics, where he competed in NCAA track and cross country.
Angela Tsihlopoulos
Angela Tsihlopoulos
IP ParalegalAngela has over 10 years of paralegal experience in all aspects of Intellectual Property law, and has particular expertise in U.S. and foreign patent prosecution. Angie’s skills were honed at leading Chicago IP firms, most recently one at which she and Bob worked together before Corridor Law Group was launched. Angela’s vast IP knowledge base, attention to detail, and time-management skills make her well-suited to handling clients’ matters accurately and efficiently. Angela holds a BA degree from the University of Iowa.
Melissa Corrado
Melissa Corrado
Financial DirectorMelissa has worked in the IP industry for over ten years where she's developed a very organized nature and remains dedicated to handling the firm’s financials on a day to day basis (AR/AP, payment processing, reports for accountants and attorneys, and assistance with billing). She also enjoys working directly with Corridor Law's clients. Melissa holds a BA in Finance from NIU.