Atty. Catherine Sum
Catherine Sum is a lawyer. Catherine received a degree from University of Toronto, and has been licensed for 13 years.
Attorney · Serving Palo Alto, CA · 13+ Years Experience
Profile Summary
About Catherine Sum at a Glance
Catherine Sum is an Attorney based in Palo Alto, California, practicing at Morrison & Foerster LLP. They have 13+ years of legal experience, licensed to practice since 2013. Admitted to practice in New York (2013) and California (2020). Educated at University of Toronto (—). Serves clients in Palo Alto, CA and the surrounding metropolitan area.
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About Catherine Sum
- Catherine Sum is a lawyer
- Catherine received a degree from University of Toronto, and has been licensed for 13 years
- Catherine practices at Morrison & Foerster LLP in Palo Alto, CA
Jurisdictional Context
Why Local Counsel Matters in Palo Alto
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 Palo Alto 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.
Palo Alto Courts and Legal Process
Choosing a Palo Alto-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 Palo Alto or all attorneys in California.
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Professional Profile
Why Clients in Palo Alto Choose Catherine Sum
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 Catherine Sum's practice.
Decade-Tested Legal Experience
Catherine Sum brings 13+ 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 New York and California, Catherine Sum can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Local Presence in Palo Alto
A Palo Alto-based practice means Catherine Sum attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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How People Find Catherine Sum Online
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Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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