
Litigation: Appellate
USA Guide 2026 : California
Rankings

Ranked Individual
Ranked Individual
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Manatt Phelps & Phillips LLP represented the California-American Water Company in appeal before the California Court of Appeal relating to the Monterey Peninsula Water Management District's alleged attempt to take over the company's private water system.
Strengths
Provided by Chambers
Each team member has a different function and area of expertise. There is little overlap or duplication and they work well together.
Litigation: Appellate respondentUSAManatt Phelps is perspicacious in identifying opportunities to employ sophisticated responses to complex legal issues.
Litigation: Appellate respondentUSAThe firm is very responsive to our questions and concerns, and is very dedicated to our cause.
Litigation: Appellate respondentUSA
Notable Practitioners
Provided by Chambers
Band 4 
Band 4 
Joanna S McCallum
Joanna McCallum has an impressive depth of expertise in the healthcare sector, in which she handles a broad array of complex cases. She has experience of acting in state and federal appellate courts as well as briefing before the US Supreme Court. Joanna is very knowledgeable and responsive.
Litigation: Appellate respondentUSAJoanna is an excellent attorney and appellate specialist.
Litigation: Appellate respondentUSAJoanna is an exceptional appellate attorney.
Litigation: Appellate respondentUSAJoanna did an excellent job getting up to speed on a complex case with numerous issue.
Litigation: Appellate respondentUSA
Ranked Individuals at Manatt Phelps & Phillips LLP (1)
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