Lucas focuses his practice on competition/antitrust, foreign trade, and regulatory law. His competition law practice covers merger control, strategic cooperation agreements, joint ventures, distribution and commercial arrangements, competition law compliance, and proceedings before competition authorities. He is particularly experienced in advising clients where competition law, regulation, technology, and cross-border trade intersect.

A further focus of his practice is on EU and German foreign trade regulation, including export controls, sanctions, FDI screening, and related compliance matters. Lucas advises companies on complex cross-border requirements relating to transactions, foreign investments, the export of goods, technology, and services, and international supply chains. His experience includes transaction-related due diligence, FDI filings, regulatory filings, export classifications, license applications, sanctions guidance, internal reviews, and risk mitigation.

Building on his regulatory experience, Lucas also advises on business models in dynamic, highly regulated sectors, particularly telecommunications, digital infrastructure, and communications networks. His work also covers infrastructure and services in aerospace, defense, and security-sensitive technologies, including satellite-based communications, space-enabled connectivity, and related digital infrastructure. He advises on strategic alignment, contractual structuring, commercial design, and regulatory issues where technology, infrastructure, national security, and cross-border trade intersect.

Lucas is recognized by Best Lawyers / Handelsblatt for competition law and is listed in The Legal 500 EMEA 2025 as a “core lawyer” for telecommunications.