Cornwell’s competition law practice covers both advisory and litigious work.

He especially advises on a wide range of competition-related issues.

He has published a book which seeks to integrate economic theory into competition regulation. The book deals with important competition law concepts such as market definition, market power, the per se rule and rule of reason, horizontal price-fixing, vertical price-fixing, exclusionary conduct, predatory pricing, excessive pricing, price discrimination, the essential facilities doctrine, horizontal mergers and vertical mergers.