Winston Hsiao’s practice focuses on complex civil litigation in state and federal courts. He represents clients in a wide range of suits, including securities and shareholder litigation, tax shelter and accounting malpractice, trade secret actions, contract disputes, unfair competition claims and fraud claims.
Lawdragon Honors
| Honor | Year | Practice |
|---|---|---|
| The 2026 Lawdragon 500 Leading Litigators in America | 2026 | Complex Civil Litigation, inc. Securities |
| The 2025 Lawdragon 500 X – The Next Generation | 2025 | Litigation, Securities |
| The 2025 Lawdragon 500 Leading Litigators in America | 2025 | Complex Civil Litigation, inc. Securities |
Hsiao also has represented clients in private arbitrations, internal investigations, criminal matters and appeals. His clients include U.S. and international companies in the financial services, tax consulting, pharmaceuticals, biotechnology, medical insurance, energy, education, consumer products, logistics and food industries. Among others, he has represented:
- Centene Corporation, along with current and former offices and directors, in securing a full dismissal with prejudice of a class action derivative litigation in the U.S. District Court for the Eastern District of Missouri concerning Centene’s multibillion-dollar acquisition of Health Net, Inc.
- El Pollo Loco Holdings in securing multiple dismissals of federal securities class action claims alleging misrepresentations concerning the causes of slowed growth trends
- PricewaterhouseCoopers LLP in securing summary judgment of two tax accounting malpractice actions in Nevada and Oregon state courts
- KPMG in multiple actions involving claims of fraud, indemnity, negligence and contract enforcement, among others
- Questcor Pharmaceuticals, Inc. in a federal securities class action and derivative litigation alleging misrepresentations concerning, among other things, the effectiveness of the company’s flagship product
- New Oriental Education & Technology Group Inc. in securing a quick and low settlement of a federal securities class action filed following an SEC inquiry