Atty. Michael Dennis Breen
Mr. Michael Dennis Breen is a lawyer practicing corporate law, general practice, commercial and 2 other areas of law.
Commercial & More Attorney · Serving Sunnyvale, CA · 32+ Years Experience
Profile Summary
About Michael Dennis Breen at a Glance
Michael Dennis Breen is an Infinera Corp. based in Sunnyvale, California. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on business and ip. Admitted to practice in Virginia (1994), District of Columbia (1996), and U.S. District Court, Eastern District of Virginia and U.S. District Court for the District of Columb (1997). Educated at University of Buffalo (J.D., 1994) and College of Wooster (B.A., 1990). Serves clients in Sunnyvale, CA and the surrounding metropolitan area.
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About Michael Dennis Breen
- Mr. Michael Dennis Breen is a lawyer practicing corporate law, general practice, commercial and 2 other areas of law
- Michael received a B.A. degree from College of Wooster in 1990, and has been licensed for 32 years
- Michael practices in Sunnyvale, CA
Practice Areas Explained
Michael Dennis Breen's Areas of Legal Practice
Each practice area below reflects the types of cases Michael Dennis Breen handles, with a practical overview of what that area of law involves and how it may apply to your situation in Sunnyvale.
Business & Corporate Law in Sunnyvale
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Michael Dennis Breen is one of 497,491 business attorneys indexed nationally. Browse business attorneys in California →
Intellectual Property in Sunnyvale
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Michael Dennis Breen is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in California →
Jurisdictional Context
Why Local Counsel Matters in Sunnyvale
Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Sunnyvale are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.
Sunnyvale Courts and Legal Process
Choosing a Sunnyvale-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional California attorneys? Browse all attorneys in Sunnyvale or all attorneys in California.
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Professional Profile
Why Clients in Sunnyvale Choose Michael Dennis Breen
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Michael Dennis Breen's practice in the field of business and ip.
Decade-Tested Legal Experience
Michael Dennis Breen brings 32+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Virginia, District of Columbia, and U.S. District Court, Eastern District of Virginia and U.S. District Court for the District of Columb, Michael Dennis Breen can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering business and ip, Michael Dennis Breen can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Sunnyvale
A Sunnyvale-based practice means Michael Dennis Breen attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Michael Dennis Breen Handles in Sunnyvale
Below is a representative sample of the types of matters Michael Dennis Breen has experience with under California law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Michael Dennis Breen directly to discuss the specifics of your situation.
Search Reference
How People Find Michael Dennis Breen Online
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Michael Dennis Breen's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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