Ms. Lesser has mediated and arbitrated cases in a wide variety of practice areas, including these representative disputes:




  • mediated many nationwide consumer class actions claiming fair lending  and other consumer protection violations
  • mediated nationwide wage claim class action by federal employees
  • mediated several Fair Labor Standards Act  collective actions
  • mediated race discrimination class actions against major brokerage houses
  • mediated race discrimination class action against university employer
  • mediated two class action claims of unconstitutional strip searches against two municipalities 



  • arbitrated disputes regarding provision of telecommunications services between telecom companies
  • mediated joint venture disputes between two significant telecommunications providers
  • arbitrated dispute between telecommunications provider and agent


  • mediated claim by attorney against bar association for wrongful suspension of bar membership
  • mediated dispute between anti-smoking organization and tobacco company
  • mediated numerous employee whistleblower claims for alleged wrongful discharge, False Claims Act, and Sarbanes Oxley violations
  • mediated two class actions brought by adult and juvenile arrestees against municipalities for unconstitutional strip searches



  • mediated two complex multi-party construction cases involving office complexes
  • mediated False Claims Act cases brought against government contractors
  • mediated construction case involving construction of a hotel
  • mediated disputes concerning construction related to municipal transit systems, municipal communications system


  • arbitrated and mediated a wide variety of private contract claims in diverse industries such as transportation, hospitality, medical devices, manufacturing, food service, telecommunications, multi-level marketing, energy, securities, and technology
  • mediated multiple disputes between government contractors and governmental entities, and between prime and subcontractors
  • arbitrated several cases between healthcare providers and vendors
  • arbitrated numerous breach of franchise and other license agreements
  • mediated and arbitrated contract indemnification claims
  • sole arbitrator in significant multi-level marketing company dispute
  • mediated and arbitrated many disputes involving breach of employment agreements, tortious interference claims, breach of competition agreements, and breach of confidentiality actions
  • mediated breaches of real estate purchase contracts and claims for commissions between two real estate brokerage firms
  • arbitrated several cases concerning success fees for business broker
  • arbitrated and mediated lawyer/client fee disputes
  • serves as standing chair of the National Arbitration Panel, which hears contract disputes between Amtrak and the freight railroads



  • arbitrator in a complex joint venture dispute between two leading textile producers
  • arbitrated four disputes regarding post-acquisition closing balance sheet adjustments
  • mediated three insider trading and securities fraud claims brought by the SEC and private parties
  • arbitrated and mediated shareholder direct and derivative complaints against corporations
  • arbitrated and mediated disputes regarding finders' fees
  • mediated multiple customer complaints against major brokerage houses for securities violations
  • mediated ERISA claim brought by trustee against co-trustee


  • sole arbitrator for contract dispute between leading energy company and supplier
  • mediated multiple contract disputes between energy futures trading partners, utilities and vendors
  • arbitrated two rate making proceedings between utility and customers
  • mediated two disputes involving energy futures trading partners post-bankruptcy
  • mediated and supervised year-long audit of billing overcharge dispute between major municipality and electrical utility 



  • mediated several whistleblower claims involving Medicare and Medicaid fraud
  • arbitrated contract disputes between managed care organizations and subcontractors
  • mediated medical malpractice
  • mediated physician residency qualification claims
  • served as arbitrator and mediator in wrongful termination cases involving physician dismissal


  • arbitrated multiple accounting and legal professional liability coverage disputes
  • mediated a number of complex multi-party construction cases involving performance and payment bond disputes, subrogation claims, builders risk policy and property/casualty coverage disputes
  • mediated numerous D&O and E&O liability claims
  • arbitrated disability and life insurance coverage disputes


  • arbitrated and mediated several contract disputes between software vendors and customers
  • arbitrated two multimillion-dollar contract disputes involving a major Internet service provider and business partners
  • arbitrator in software copyright infringement action
  • mediated multiple software license disputes and negotiated new license agreement between disputants
  • mediated a number of patent disputes regarding a variety of devices and processes, including software development, medical devices, sound systems, lighting technology, film coding, and children’s products
  • mediated royalty dispute between music copyright licensor and artist
  • mediated two multimillion-dollar software license disputes involving a major education software producer and licensees
  • continuing service as arbitrator in royalty cases under the Federal Insecticide, Fungicide, and Rodenticide Act
  • Independent Reviewer for the Center for Copyright Information, resolving disputes between ISPs and customers regarding unauthorized downloads


  • mediated disputes concerning real estate limited partnerships, eminent domain proceedings, community/owner conflicts regarding proposed land uses
  • mediated disputes among and between real estate brokers and clients
  • mediated three eminent domain cases for the Federal Government
  • mediation of neighborhood dispute over school expansion
  • arbitrated multiple disputes involving real estate limited partnerships


  • mediated wrongful death and personal injury claims against a municipality
  • served as arbitrator in legal and accounting malpractice matters
  • mediated and arbitrated libel and defamation claims
  • mediated product liability cases
  • mediated wrongful death claims against municipality for inadequate supervision of mentally ill patient
  • wrongful death claim against federal government for medical malpractice involving pregnant patient
  • mediated and arbitrated numerous fraud claims
  • mediated and arbitrated multiple libel and invasion of privacy claims
  • mediated claim by injured patient against drug manufacturer