Ulf Werner Andersen

Louis L. Gertler is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Louis L., who practices law in New Orleans, Louisiana, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Louis L. is held by other top lawyers in the same geographic and legal practice area.

Ziyad I. Hermiz is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Trade Secrets Law. Ziyad I., who practices law in Birmingham, Michigan, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ziyad I. is held by other top lawyers in the same geographic and legal practice area.

Lance Zinman, global chair of Katten's Financial Markets and Funds practice, provides comprehensive legal services to asset managers, proprietary trading firms and other participants in the financial markets in need of a single advisor to assist with all aspects of their business. His unique skill set combines a deep understanding of corporate, regulatory, intellectual property and tax law with broad knowledge of the securities and derivatives markets. Using his extensive experience with thes...

Donald F. Kochersberger is a Member of the firm and has been with BLSW since 2005. His practice emphasizes complex litigation matters, including shareholder, member and partner disputes, contracts, business tort, unfair practices, restrictive covenant and non-compete agreements, employee theft and misconduct cases, and customer and vendor disputes. Mr. Kochersberger has served as counsel for a number of local, regional and national companies, as well as individuals engaged in business dispute...

Christopher Kao is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Christopher, who practices law in San Francisco, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.

Mari Perczak is the co-practice group leader of the Construction Defects department at Burg Simpson. She and her department have achieved Tier 1 status by US News and World Report, which is the highest-ranking available. Ms. Perczak has more than thirty years of experience as a Colorado trial lawyer and has successfully handled many large construction defect cases for Colorado homeowners and homeowner associations. In 2020, Ms. Perczak was lead trial counsel in a lengthy arbitration where she...

John Morris is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Bankruptcy. John, who practices law in New York, New York, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Paul H. Greenwood is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law, Litigation - Bankruptcy and Real Estate Law. Paul H., who practices law in Birmingham, Alabama, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul H. is held by other top lawyers in the same geographic and legal practice a...

Nicholas Wehlen is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Legal Malpractice Law - Defendants, Litigation - Bankruptcy, Litigation - Construction and Litigation - Securities. Nicholas, who practices law in New Orleans, Louisiana, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicholas is held by other top lawyers in the same geographic and legal practice area.

Irving J. Warshauer joined the Gainsburgh Benjamin law firm as an associate in 1980, and he became a partner of the firm in 1984. Prior to joining this firm, he was an Assistant United States Attorney for the Eastern District of Louisiana and a Trial Attorney in the Criminal Division of the United States Department of Justice, from whom he received a Special Commendation in 1979. He served on the Federal Public Defender Panel for the Eastern District of Louisiana from 1981 – 2002. Irvin...