High-stakes litigation · Public record

Representative matters

Sophisticated purchasers evaluate counsel through captions, forums, and publicly reported dispositions in complex, consequential disputes. This dossier follows that convention: decision title first, tribunal second, responsible counsel third, followed by a dispassionate précis of the ruling or outcome so researchers may cross-reference primary authority.

Request confidential review Speak with the firm

Representative visibility & outcomes

In high-profile, high-stakes litigation, prosecutors, regulators, and journalists converge—and courtroom credibility is inseparable from written advocacy and forensic discipline. Founding partners Jeffrey A. Denner and Jennifer Lamanna, together with Boston-based colleagues, have stewarded matters bearing on fiduciary institutions, public bodies, professional reputations, and liberty itself. Reported results furnish context only; they neither forecast nor guarantee future performance.

Coverage alongside journalism in

  • Boston Herald
  • The New York Times
  • MSNBC
  • The Wall Street Journal
  • CNN / CNN International
  • Law & Crime
  • The Guardian
  • Channel 4 (UK)

Notable victories

State Treasurer case

State Treasurer corruption

Commonwealth of Massachusetts vs. Timothy Cahill

Mistrial declared, all charges dismissed

Murder case

High-profile murder case

Commonwealth of Massachusetts v. Edmund Burke

All charges dismissed + $400K award

Police officer case

Federal police officer trial

U.S. vs. LaFleur

Not guilty verdict

Attorney advertising. Prior results do not guarantee a similar outcome. Verdicts, dismissals, and awards depend on unique facts, witnesses, judges, juries, and applicable law.

Published decisions

Reported opinions available through Justia. Links open in a separate tab.

Matter

United States v. Tedeschi, 774 F.2d 511 (1st Cir. 1985)

Forum

First Circuit · Criminal appeal

Lead counsel

Jeffrey A. Denner

Nature of ruling

Published opinion addressing Speedy Trial Act issues in a conspiracy prosecution.

Matter

United States v. Porter, 764 F.2d 1 (1st Cir. 1985)

Forum

First Circuit · Criminal appeal

Lead counsel

Jeffrey A. Denner

Nature of ruling

Published disposition resolving consolidated appellate issues.

Matter

Socialist Workers Party v. Davoren, 378 F. Supp. 1245 (D. Mass. 1974)

Forum

District of Massachusetts · Civil rights

Lead counsel

Jeffrey A. Denner

Nature of ruling

Federal decision addressing constitutional and election-law questions.

Matter

Commonwealth v. Almeida, 373 Mass. 266 (1977)

Forum

Massachusetts Supreme Judicial Court

Lead counsel

Jeffrey A. Denner

Nature of ruling

SJC opinion affirming significant trial-court rulings.

Matter

Partanen v. Gallagher, 475 Mass. 632 (2016)

Forum

Massachusetts Supreme Judicial Court

Lead counsel

Jennifer Lamanna

Nature of ruling

SJC vacated dismissal and clarified presumptive-parent status for qualifying non-biological parents.

Matter

Shak v. Shak, 484 Mass. 658 (2020)

Forum

Massachusetts Supreme Judicial Court

Lead counsel

Jennifer Lamanna

Nature of ruling

SJC held sweeping nondisparagement orders in this context functioned as unconstitutional prior restraints.

Spotlight matters

High-visibility civil and criminal files summarized on standalone pages—still subject to the same “no guarantees” standard.

Lead counsel

Biographies, admissions, and speaking engagements live on the attorneys hub—linked below for convenience.

Jeffrey A. Denner

Founding partner

Federal and state criminal defense, First Circuit appeals, civil-rights litigation, and nationally watched trial matters.

Full biography

Jennifer Lamanna

Founding partner

Massachusetts appellate practice, parentage and constitutional family-law issues, and complex civil litigation.

Full biography