Angelo advises international and U.S. companies and individuals in both criminal investigations and civil litigation involving a variety of antitrust issues, such as price fixing, bid rigging, customer and market allocations, monopolization, and no-poach agreements. He has successfully persuaded authorities to close investigations without taking enforcement action and has secured leniency protection for clients.

Angelo counsels clients on exclusivity clauses, competitor collaborations, discounting practices, non-compete agreements, distribution relationships, and group boycotts. In addition to providing antitrust counseling, Angelo conducts antitrust compliance audits and designs innovative compliance programs for his clients.