Atty. Yi Sun
Yi Sun is a lawyer practicing patent office practice, patent prosecution. Yi received a Ph.D. degree from Princeton University in 2011, and has been licensed for 11 years.
Patent Office Practice & More Attorney · Serving Boston, MA · 11+ Years Experience
Profile Summary
About Yi Sun at a Glance
Yi Sun is a patent and ip attorney based in Boston, Massachusetts. They have 11+ years of legal experience, licensed to practice since 2015. Admitted to practice in Massachusetts US Patent & Trademark Office (2015). Educated at Harvard Law School (J.D., 2015) and Princeton University (Ph.D. Molecular, 2011). Serves clients in Boston, MA and the surrounding metropolitan area.
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About Yi Sun
- Yi Sun is a lawyer practicing patent office practice, patent prosecution
- Yi received a Ph.D. degree from Princeton University in 2011, and has been licensed for 11 years
- Yi practices in Boston, MA
Practice Areas Explained
Yi Sun's Areas of Legal Practice
Each practice area below reflects the types of cases Yi Sun handles, with a practical overview of what that area of law involves and how it may apply to your situation in Boston.
Patent Law in Boston
Yi Sun is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in Massachusetts →
Intellectual Property in Boston
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Yi Sun is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →
Jurisdictional Context
Why Local Counsel Matters in Boston
Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts 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 Massachusetts courts without local counsel or pro hac vice admission.
Boston Courts and Legal Process
Choosing a Boston-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 Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.
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Professional Profile
Why Clients in Boston Choose Yi Sun
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 Yi Sun's practice in the field of patent and ip.
Decade-Tested Legal Experience
Yi Sun brings 11+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering patent and ip, Yi Sun can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Boston
A Boston-based practice means Yi Sun 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 Yi Sun Handles in Boston
Below is a representative sample of the types of matters Yi Sun has experience with under Massachusetts 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 Yi Sun directly to discuss the specifics of your situation.
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How People Find Yi Sun Online
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Yi Sun's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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