Lou has litigated to successful conclusion over a dozen controversies each approaching or exceeding a billion dollars. Lou has extensive experience in acting as lead trial counsel in international disputes and controversies affecting multinational companies operating across the globe. Lou has served as lead trial counsel in private and class action cases as well as government and regulatory proceedings in a wide range of subject matters, practice areas, and industries.

The Wall Street Journal has described Lou’s "long and distinguished career as a corporate litigator." Other national and international credentialing organizations have discussed his achievements in the Litigator of the Week column and praise him as a trial lawyer with "immense" experience; "particularly prized for his strong international litigation experience"; "highly experienced trial lawyer handling cases in a wide range of areas, from antitrust to IP to international litigation";"specializ[ing] in pulling clients out of the fire"; "ascribe this life-saving ability to his exceptional judgment when advising on risky business or regulatory situations"; and "just as good at crafting watertight settlements. No detail or potential future risk escapes him." A judge described his presentation as “spectacular” and “effective”.  He is quoted nationally and internationally in major newspapers, radio, and TV and is recognized as a leading practitioner by: The Best Lawyers in America© (Bet-The-Company Litigation, Commercial Litigation, Litigation - Antitrust, Litigation - Intellectual Property); Benchmark Litigation (Commercial Litigation), Chambers, and many others.

Lou has leading trial and appellate victories involving international litigation issues, and his extensive international litigation experience has included litigations and arbitrations involving numerous EU countries, Latin America, Asia, Africa, the Middle East, as well as Russia and other former Soviet countries. Lou is the author of a renowned e-book, International Litigation: Topics and Trends.