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Kathy B. Weinman


George Washington University Law School, Washington, DC, L.L.M., with highest honors, 1970

Harvard Law School, Cambridge, MA, L.L.B., 1968

University of Virginia, Charlottesville, VA, B.A., History, with honors, 1965


Admissions to Practice

District of Columbia (inactive)

Commonwealth of Massachusetts

United States District Court, District of Massachusetts

United States Court of Appeals for the First, Second and Third Circuits

United States Supreme Court


Professional Affiliations

Boston Bar Association

  • Counsel Member (1985-1987)
  • Chairman, Federal Practice Subcommittee (1990-1992)
  • Chairman, Criminal Section (1982-1985)
  • Lecturer, Criminal and Civil business Seminars
  • Board of Editors, Boston Bar Journal (2007-2010)

American Bar Association

  • Co-Chair, Regional White Collar Planning Committee (2000-2007)
  • White Collar Planning Committee, White Collar ABA Meetings (2001-present)

Massachusetts Bar Association


Awards and Recognitions

Benchmark Litigation, The Definitive Guide to America's Leading Litigation Firms & Attorneys (2014)

Who's Who Legal: Business Crime Defense (2014)

Boston's Best Lawyers, Commercial Litigation, Bet-the-Company Litigation, Criminal Defense - White Collar and Non-White Collar (1995-2013)

New England Super Lawyer, Criminal Defense - White Collar (2010-2014)

New England Super Lawyer, Top 100 Lawyers in New England (2010-2013) 

Fellow, American College of Trial Lawyers

Fellow, International Academy of Trial Attorneys

Awarded Special Commendations from the Department of Justice for Outstanding Service (1975, 1980)


Continuing Education and Commitment to Excellence

Moderator, "The Internal Corporate investigation is Over: Now What?" ABA Annual National Institute on White Collar Crime, 2014

The International Comparitive Legal Guide to Litigation and Dispute Resolution 2013, co-author Massachusetts Chapter

Moderator, "International Criminal Tax Fraud" and "Ponzi Schemes," International Bar Association Business Crimes Seminar, NY (2009)

Moderator, "Plenary Session on Exculpatory Evidence," American Bar Association White Collar Crime Annual Conference, Miami (2010)

Moderator, "Mortgage Fraud," American Bar Association White Collar Criminal Law Conference, San Francisco, CA (2009)

Moderator, "Insider Trading," American Bar Association Securities Law Seminar (2008)

Panelist, and author of article "Where We Are: Where We Are Going," American Bar Association Securities Law Seminar, Washington, D.C. (2006)

Moderator, and author of article "Effects of Terrorism on White Collar Practice," American Bar Association White Collar Criminal Law Conference, Las Vegas, NV (2005)

Moderator, "On Evidence," American Bar Association White Collar Criminal Law Conference, Miami, FL (2004)

Lecturer, "History and Recent Developments in Prosecution of Insider Trading Cases," American Bar Association White Collar Criminal Law Conference, San Francisco, CA (2003)

Lecturer, "Licenses, Professionals and Corporations," Boston Bar Association Continuing Legal Education (2003)


Publications and Press

Exculpatory Evidence:  Getting It and Using It

A View of Insider Trading Trials

MA Lawyers Weekly, article on Statute of Limitations, 3/16/09

MA Lawyers Weekly, Opinion, 7/16/07

MA Lawyers Weekly, Opinion, 8/21/06

Sentencing In Political Corruption Cases

New England In-House, Feature Story, October 2003

Statute of Limitations and Eligibility Issues in Securities Arbitration

Focus On Securities

Suing Corporate Officers

A Derivative Claim By Any Other Name: Direct Claims to Remedy Wrongdoing in Close Corporations

Extraterritorial Jurisdiction In Cyberspace

US Jurisdiction Extends Overseas

Federalization of State Criminal Laws

Prime Bank Instrument Fraud is Alive and Well

The Regulatory Implications of Day Trading

Corporate Internal Investigations

Role of Expert In Legal Malpractice

Class-Action Reforms Spur Derivative Claims

Fraud in the Securities Area

Document Production

The SEC and Prime Bank Instrument Fraud

Scientific Evidence with Potential Application to White Collar Criminal Defense

Restitution: Calculation and Collection

The Restricted Application of Rule 10b-5

New Terrain, Strategies For Massachusetts Plaintiffs


Pro Bono / Community Service

Local board member and national board of directors member, Appleseed Foundation (advocacy for innovations in education)

Advocate, ABA Death Penalty Representation Project

Michael A. Collora

617 371 1002


Clients and Industries

Michael has represented a wide array of clients from many industries during his career. In recent years, he has frequently represented companies, executives, managers, shareholders, brokers, traders, and professionals in the financial services sector. Institutions he has represented include mutual funds, investment banks and private equity funds.

Practice Areas and Experience

Michael handles complex civil and criminal litigation in federal and state courts, as well as regulatory work dealing with federal and state regulatory agencies. He is a founding partner, and his work has encompassed many practice areas and industries during his career.

He has frequently represented both plaintiffs and defendants in securities cases, including investigations by the SEC and state security offices. He has extensive experience in matters involving allegations of stock fraud, irregular accounting practices and insider trading. In addition, he has tried over 60 federal cases to a judge or jury.

Clients also hire Michael to assess the merits, likely outcomes and projected costs of litigation in all kinds of commercial cases, including cases involving arcane matters, such as disputes over the value of shipping vessels.

Professional Experience Outside of Collora LLP

Before founding Collora LLP, Michael served as an Assistant US Attorney for 8 years, and headed the U.S. Attorney’s Special Investigation Unit from 1979-1981.

Sample of Results in Practice *

  • Obtained dismissal of class action for financial services client alleged to have made false or misleading statements or omissions in connection with the purchase and sale of securities.
  • Obtained a $10 million settlement for clients harmed by improper electronic wire transfer after winning a summary judgment ruling in federal court on issues of first impression regarding wire transfers.
  • Successfully represented securities trader for a large investment house, obtaining a favorable settlement after winning a trial court ruling in case involving alleged breach of agreement regarding option executions.
  • Obtained acquittal by federal court jury for client who had been charged with mail fraud in connection with a commercial enterprise by prosecutors.
  • Successfully negotiated recovery of more than $2 million from three investment houses on behalf of investor plaintiffs after initiating federal court action and obtaining a motion for summary judgment that put case in favorable negotiating posture.
  • Successfully resolved criminal and civil investigations by the government on behalf of various defense contractor clients that were charged with overbilling, kickbacks or false certifications, in some cases avoiding the imposition of any criminal charges, fines and/or debarments.
  • Obtained “not guilty” verdicts in both federal and state court cases for individual clients accused of murder.

* This sampling of cases represents a selected, small portion of this lawyer’s total experience, and past performance is not intended to be a representation of likely future results, which must be assessed on a case-by-case basis.

Michael can provide a substantial list of citations to reported cases in which he was counsel of record upon request. 

About Michael

When Michael is not advocating for his clients, he is often outdoors, hiking, skiing or biking. He is also a sailing enthusiast who takes to the water whenever time and weather conditions permit.