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Trusted Legal Representation in Milwaukee
Blumenfield & Shereff is a law firm dedicated to providing client-centered legal representation in litigation and intellectual property matters. With decades of combined experience, our attorneys serve individuals and businesses across Wisconsin, the United States, and 25 foreign countries. Our litigation practice encompasses civil and criminal cases, including business disputes, personal injury, professional discipline, and intellectual property litigation. We offer sophisticated legal counsel in domestic and international trademark, copyright, and transactional services, leveraging over 20 years of specialized expertise. Our team includes seasoned litigators with backgrounds as municipal judges, prosecutors, and trial attorneys, ensuring strategic, cost-effective solutions for clients.

We maintain strong credentials through board certifications from the National Board of Trial Advocacy and recognition in Wisconsin SuperLawyers. Our commitment extends beyond legal practice to community involvement, supporting initiatives like the Wisconsin Humane Society and Ozaukee County Jail Literacy Program. We prioritize responsiveness, practical advice, and long-term client relationships built on trust and results. Our alternative dispute resolution services provide cost-efficient options for mediation and arbitration, informed by extensive judicial and trial experience. We adhere to strict ethical standards, maintaining transparency and professionalism in all client interactions.
Services
Litigation Intellectual Property Mediation Arbitration Legal Consultation
Highlights and features
  • We offer 35+ years of litigation experience with former judges and prosecutors.
  • Our team includes board-certified civil trial law specialists since 2003.
  • We provide international intellectual property representation with personalized counsel.
  • Our alternative dispute resolution services save clients trial costs through mediation.
  • We maintain AV Pre-eminent peer review ratings for legal excellence and ethics.
Associations and certifications
  • National Board of Trial Advocacy
Services
Litigation
Our litigation practice handles civil and criminal cases including business disputes, personal injury claims, and professional discipline matters. With attorneys having 35+ years of trial experience, we represent clients in Wisconsin and federal courts. Our track record includes complex cases from DUI defense to first-degree homicide, achieving dismissals and favorable settlements.
Intellectual Property
We provide comprehensive trademark, copyright, and patent services for domestic and international clients. Our attorneys manage global IP portfolios with over 20 years of specialized experience. Services include IP registration, enforcement, and transactional support across 25 countries through strategic legal partnerships.
Mediation
Our mediation services offer cost-effective alternatives to litigation using experienced former judges as neutral facilitators. We help parties reach binding agreements through structured negotiations while maintaining control over outcomes in civil and commercial disputes.
Arbitration
We provide arbitration services with neutral third-party decision-makers for binding dispute resolution. Our process offers faster, more private outcomes than traditional trials while maintaining legal enforceability of awards in commercial and civil matters.
Legal Consultation
We offer confidential case evaluations to assess legal options and potential outcomes. Our consultations include risk assessment, strategy development, and guidance on litigation versus alternative dispute resolution pathways for both individuals and businesses.
People
Charles S. Blumenfield
Partner
Board-certified civil trial attorney with 35+ years of litigation experience, including municipal judge service and Wisconsin Supreme Court appearances. Specializes in complex business disputes and criminal defense cases.
Cobby J. Shereff
Partner
Experienced litigator and intellectual property attorney with board certification in civil trial law. Provides strategic legal counsel in trademark matters and complex civil litigation cases across multiple jurisdictions.
Questions
What legal services does Blumenfield & Shereff offer?
We specialize in litigation (civil/criminal), intellectual property law, and alternative dispute resolution services including mediation and arbitration.
How does your mediation process work?
Our mediation combines judicial experience with collaborative problem-solving to resolve disputes cost-effectively outside traditional court proceedings.
Do you handle international intellectual property cases?
Yes, we provide trademark and copyright services across 25 countries through strategic global partnerships and specialized expertise.
What makes your litigation team unique?
Our attorneys combine 35+ years of trial experience with former judicial roles and board-certified legal specialization.
Are consultations confidential?
Yes, all initial consultations maintain attorney-client privilege and follow strict confidentiality protocols.