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Harry Chamberlain is a Shareholder of Buchalter, an Am Law 150 firm with a dozen U.S. offices. For over 40 years, he has served as trial and appellate counsel on behalf of Fortune 500 companies, and a variety of public and private sector clients in complex litigation matters. He is certified as an Appellate Specialist by the California State Bar Board of Legal Specialization, arguing hundreds of appeals, including numerous cases before the California Supreme Court and the highest state and federal courts across the country. His First Amendment practice has produced significant precedents defining the law of defamation, trade libel and constitutional privileges.
Before joining Buchalter, Harry was general counsel for California-based professional liability insurers, and he managed the law department of a national group of commercial insurance and financial service companies. He is past president of California Defense Counsel and the Association of Southern California Defense Counsel, preeminent associations of civil trial and appellate lawyers. He writes and lectures widely on topics concerning complex litigation, the First Amendment and constitutional law.
Honors and Recognitions
- State Bar of California Certified Specialist–Appellate Law
- Super Lawyers–2005 to Present
- Best Lawyers in America, Appellate Practice, 2023-2025
- Best Lawyers in America, Insurance Law, 2025
- Sacramento Magazine’s Top Lawyer, Appellate Law, 2023
- AV Preeminent Rated By Martindale-Hubbell
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15
Aug
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Buchalter Attorneys Named 2025 Best Lawyers in America
Awards
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Buchalter, is pleased to announce that 99 lawyers have been included in the 2025 edition of The Best Lawyers in America®. Best Lawyers was founded […]
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03
Apr
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Harry W.R. Chamberlain Quoted in Law360
Press
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Calif. Justices Rule Living Wills Not A Path To Arbitration March 29, 2024 By: Hannah Albarazi Chamberlain told Law360 in an interview Friday that he […]
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01
Mar
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Buchalter Appellate Specialists Harry W.R. Chamberlain II and Robert M. Dato argue that the California Supreme Court should uphold a validly appointed agent’s arbitration agreements with health care providers
Firm News
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Harry Chamberlain and Robert Dato, members of Buchalter’s Appellate Group, presented arguments on behalf of clients Country Oaks Partners and Sun Mar Management Services in […]
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10
Jan
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Buchalter Attorneys Named 2024 Southern California Super Lawyers
Awards
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Buchalter is pleased to announce that several attorneys in the Firm’s Los Angeles & Orange County offices were named 2024 Southern California Super Lawyers. These […]
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17
Aug
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Buchalter Attorneys Named 2024 Best Lawyers in America
Awards
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Buchalter is pleased to announce over 80 of the Firm’s lawyers have been included in the 2024 edition of The Best Lawyers in America. Best […]
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01
Jun
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Buchalter Attorneys Named 2023 Top Lawyers by Sacramento Magazine
Awards
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Buchalter is pleased to announce that 23 attorneys from the firm’s Sacramento office have been named 2023 Top Lawyers by Sacramento Magazine. Their exceptional expertise and […]
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10
Jan
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Buchalter Attorneys Named 2023 Southern California Super Lawyers
Awards
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Buchalter is pleased to announce that several attorneys in the Firm’s Los Angeles & Orange County offices were named 2023 Southern California Super Lawyers. These […]
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18
Aug
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Buchalter Attorneys Named 2023 “Best Lawyers in America”
Awards
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The firm is pleased to announce over 60 Buchalter lawyers have been included in the 2023 edition of The Best Lawyers in America. Best Lawyers […]
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21
Jan
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Buchalter Attorneys Named 2022 Southern California Super Lawyers
Awards
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Buchalter is pleased to announce that fifteen attorneys in the Firm’s Los Angeles & Orange County offices were named 2022 Southern California Super Lawyers. These […]
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29
Jan
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Buchalter Attorneys Named 2021 Southern California Super Lawyers
Awards
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Buchalter is pleased to announce that sixteen attorneys in the Firm’s Los Angeles & Orange County offices were named 2021 Southern California Super Lawyers. These […]
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18
Aug
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Harry W.R. Chamberlain II Quoted in Bloomberg Law
Press
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California Elder Abuse Damages Capped Despite Covid Concerns (1) August 17, 2020 By Maeve Allsup “Harry W.R. Chamberlain II of Buchalter APC told Bloomberg Law […]
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17
Aug
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Harry W.R. Chamberlain II Quoted in Bloomberg Law
Press
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Bloomberg Law California Elder Abuse Damages Capped Despite Covid Concerns (1) By: Maeve Allsup “Harry W.R. Chamberlain II of Buchalter APC told Bloomberg Law the […]
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17
Mar
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Harry W. R. Chamberlain II Quoted in Association of Southern California Defense Counsel’s Verdict Magazine (Winter 2019-2020 issue
Press
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As published in Verdict Magazine “Participating in ASCDC for a quarter of a century has defined the most important aspects of my career, and significantly […]
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15
Jan
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Buchalter Attorneys Named 2020 Southern California Super Lawyers
Awards
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Buchalter is pleased to announce that twenty attorneys in the Firm’s Los Angeles & Orange County offices were named 2020 Southern California Super Lawyers. These […]
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04
Feb
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Buchalter Attorneys Named 2019 Southern California Super Lawyers
Awards
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Several attorneys in the firm’s Los Angeles & Orange County offices were named 2019 Southern California Super Lawyers. These attorneys have attained a high degree […]
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16
Aug
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Latham Beats Malicious Prosecution Claim For ‘Bad Faith’ Action
Press
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Bloomberg BNA’s Daily Manual of Professional Conduct August 10, 2017 By Joyce E. Cutler A summary judgment motion that went in an employer’s favor provided […]
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21
Dec
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Buchalter Successfully Defends Law Firm Targeted in a $60 Million Defamation Suit.
Press
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Buchalter successfully defends law firm targeted in a $60 million defamation suit. A California appeals court affirms lower court ruling: California attorneys’ press statements protected […]
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01
Mar
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Hacking Complaints Losing Steam, Court Papers ID Links to Criminal Indictments
Press
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Commentary: Harry W.R. Chamberlain II Work Comp Central, March 1, 2016 Harry Chamberlain offers first hand insight into a case involving an insurance fraud defense firm […]
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29
Feb
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Hacking Suits Against Defense Firm Begin to Crumble
Press
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Commentary: Harry W.R. Chamberlain II, Esq. The Los Angeles Daily Journal, February 29, 2016 Harry Chamberlain offers commentary in the Los Angeles Daily Journal article […]
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20
Jan
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Buchalter Nemer Attorneys Named 2016 Southern California Super Lawyers
Awards
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Buchalter Nemer is pleased to announce that 15 of the Firm’s attorneys have been selected as 2016 Southern California Super Lawyers. These attorneys have attained […]
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01
Oct
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Buchalter Experiences Prolific Growth
Firm News
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Buchalter is pleased to announce that it has experienced substantial growth so far this year across all offices. “Our growth has been a direct result […]
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21
Aug
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Calif. Justices Boost Attys Facing Suits In Time-Bar Ruling
Press
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Commentary: Harry W.R. Chamberlain, II Law 360, August 21, 2015
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21
Aug
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Court: Attorneys are not protected by one-year time limit if misconduct is actually theft
Press
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Commentary: Harry W.R. Chamberlain II The Daily Journal, August 21, 2015
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20
Aug
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Calif. High Court Broadens Scope of Time Bar in Atty Suits
Press
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Commentary: Harry W.R. Chamberlain II Law360, August 20, 2015
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31
Jul
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Buchalter Wins Anti-SLAPP Motion – LA Court Dismisses Massive Malicious Prosecution Arising From Medical Fraud Litigation
Awards
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A Southern California judge threw out a $40 million malicious prosecution complaint Michael D. Drobot filed against three law firms and more than 30 people […]
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Webinar
Webinar: Bad Faith Insurance Litigation in CA
April 16th, 2024
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Presentation
Harry W.R. Chamberlain II, Speaker at California Lawyers Association
May 3rd, 2022
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Presentation
Harry W.R. Chamberlain II, Presenter at Will Work For Food News Webinar
July 20th, 2023
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Presentation
Harry W. R. Chamberlain II and Jeanine M. Donohue, Speakers at the Federal Bar Association
February 24th, 2023
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Presentation
Harry W.R. Chamberlain II, Speaker at Pincus 7th Annual Advanced Appellate Program (CA)
February 15th, 2022
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Webinar
Pincus Professional Education: Insurance Solutions for Covid-19 Business Losses and Claims
May 13th, 2020
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Presentation
Harry W.R. Chamberlain II, Guest on Kabateck LLP Civil Action Podcast
April 17th, 2020
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Presentation
Be the Trial Attorney Your Dog Thinks You Are and Your Appellate Attorney Wants You To Be
March 2nd, 2018
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Presentation
Harry Chamberlain, Speaker at the Association of Defense Counsel of Northern California and Nevada Annual Seminar
December 1st, 2008
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Presentation
Harry Chamberlain, Speaker at NCFIA Annual Convention
March 1st, 2016
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Presentation
Harry W.R. Chamberlain II and Robert M. Dato, Speakers at Pincus Second Annual Advanced Appellate Conference
January 27th, 2017
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Presentation
Lawyer Defense Committee of the ASCDC
December 13th, 2016
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Publication
Ex-Hospital CEO Says Attys’ Prostitution Claim Defamed Him
November 10th, 2016
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Presentation
Harry Chamberlain II and Robert Dato, Speakers at Advanced Appellate Seminar
February 25th, 2016
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Presentation
Harry W.R. Chamberlain II, Speaker at the Los Angeles County Bar Association
July 7th, 2011
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Publication
Advanced Appellate Practice Roundtable
October 1st, 2012
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Publication
Out of Balance: ‘Balance-Billing’ Unfairly Puts the Patient in the Middle
July 12th, 2012
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Presentation
Harry W.R. Chamberlain II, Speaker at CAALA Vegas
March 10th, 2006
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Publication
The “Nuts and Bolts” of Anti-SLAPP
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January 1st, 2004
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• Harrod v. Country Oaks Partners, LLC (2024) 15 Cal.5th 939, pending cert. petition: Consistent with the Federal Arbitration Act, may the California Legislature prohibit a patient’s appointed agent who is acting under the patient’s advance medical directive from agreeing to arbitrate disputes with medical providers?
• Jarman v. HCR Manor Care (2020) 10 Cal.5th 375 (amicus): Health & Safety Code provides only a limited private remedy of $500 “per lawsuit” for nursing home’s alleged violations the CA Patient Bill of Rights.
• Parrish v. Latham & Watkins LLP (2017) 3 Cal.5th 767 (amicus): Malicious prosecution action by former employees against their employer’s counsel was barred by the “interim adverse judgment” rule based on denial of a pretrial motion, even though the trial court later found employer’s action was in bad faith.
• Winn v. Pioneer Medical Group, Inc. (2016) 63 Cal.4th 148 (amicus): Aggravated “neglect” within the meaning of the Elder Abuse and Dependent Care Act requires plaintiff to show that the defendant health care provider had a “custodial relationship” with the elder patient.
• Lee v. Hanley (2015) 61 Cal.4th 1225 (amicus): Defining when the one-year statute of limitations for actions against an attorney (Code Civ. Proc. § 340.6) applies to a former client’s claims relating to performance services encompassed within a lawyer’s “professional obligations.”
• Crane v. R.R. Crane Invest. Corp. (2022) 82 Cal.App.5th 748: Disgruntled shareholder is entitled to receive the appraised value for his shares under Corp. Code § 2000, but not prejudgment interest.
• Healthsmart Pacific, Inc. v. Kabateck (2016) 7 Cal.App.5th 416: $60 million media defamation suit was a SLAPP suit against opposing counsel barred by the “fair report privilege” under Civil Code§ 47(d).
• Thayer v. Kabateck Brown Kellner LLP (2012) 207 Cal.App.4th 141: Action by a client’s spouse claiming her husband’s attorneys mishandled a class action settlement was barred as an improper SLAPP suit.
• Prospect Medical Group v. Northridge Emergency Medical Group (2009) 45 Cal.4th 497: California law prohibits hospitals from “balance billing” their patients for medical fees owed by the patient’s HMO.
• Mayer v. L&B Real Estate (2008) 43 Cal.4th 1231: Property owner’s Due Process right to set aside invalid tax sale does not expire until possession is “disturbed” by a valid notice of sale from the tax collector.
• City of Anaheim v. Angels Baseball LP (2008) 2008 WL 5274631: Adopting the team name Los Angeles Angels of Anaheim did not violate contractual arrangements with the City of Anaheim.
• Cohn v. Corinthian Colleges, Angels Baseball LP (2008) 169 Cal.App.4th 523: Mother’s Day tote bag giveaway at Angels’ baseball game was not unlawful discrimination against men.
• Kibler v. No. Inyo County Hosp. Dist. (2006) 39 Cal.4th 192 (amicus): A hospital peer review committee’s disciplinary decisions are protected under the First Amendment.
• Jarrow Formulas Inc. v. La Marche (2003) 31 Cal.4th 728: Lawyers may challenge claims for malicious prosecution under the anti-SLAPP statute and recover their legal fees if they prevail.
• Viner v. Sweet (2003) 32 Cal.4th 1232 (amicus): A client suing for legal malpractice must prove that a more favorable outcome would have resulted “but for” the lawyer’s negligence.
• Musser v. Provencher (2002) 28 Cal.4th. 274 (amicus): Attorneys may sue co-counsel for indemnification arising from errors they committed during the joint representation of their mutual client.
• Summit Financial Holdings Ltd. v. Continental Lawyers Title Co. (2002) 27 Cal.4th 1160 (amicus): Escrow agents owe no duty to protect the financial interests of third parties outside of the transaction.
• Shade Foods, Inc. v. Royal Ins. Co. of America (2000) 78 Cal.App.4th 847: $14 million bad faith and punitive damages verdict reversed for insufficient evidence of malice.
• Potvin v. MetLife Ins. Co. (2000) 22 Cal.4th 1060: Case-by-case analysis is required to determine if Due Process precludes the at-will termination of a medical provider by a health plan.
• Temple Community Hosp. v. Superior Court (1999) 20 Cal.4th 464, Cedars-Sinai Med. Center v. Superior Court (1998) 18 Cal.4th 1 (amicus): No tort remedy exists for “spoliation of evidence” under California law; other evidentiary, criminal and regulatory sanctions suffice.
• Parsons v. Crown Disposal Co. (1997) 15 Cal.4th 456: Waste disposal company has no liability to a horseback rider for noises made during a garbage truck’s routine trash collection operations.
• Rubin v. Green (1993) 4 Cal.4th 1187: Absolute litigation privilege bars private actions against attorneys under Business & Professions Code §17200 based on their communications relating to litigation.
• Bay Cities Paving & Grading Inc. v. Lawyers’ Mut. Ins. Co. (1993) 5 Cal.4th 854 (amicus): Insurance policy limits available for “related” claims requires a common sense reading of the contract.
Mr. Chamberlain earned his J.D. at The University of California College of the Law, San Francisco where he was an editor of Constitutional Law Quarterly and justice (president) of Phi Alpha Delta Law Fraternity. He received his B.A. summa cum laude from San Diego State University and was elected Phi Beta Kappa.
- Supreme Court of the United State
- California, all State and Federal Courts
- North Carolina, all State and Federal Courts
- District of Columbia, all Courts
- Past president of the Association of Southern California Defense Counsel (2006) and California Defense Counsel (2010), preeminent regional associations of civil defense trial and appellate lawyers.
- Former elected Trustee of the Los Angeles County Bar Association (4 years)
- Board Member, Counsel for Justice
Additional Specialties
First Amendment and Constitutional Law
Defamation, Trade Libel
Trade Secrets, Unfair Competition
Regulatory and Legislative Practice
Employment Law
Insurance Law
Products Liability & Mass Tort Ligation
Professional Responsibility
Complex Litigation, Class Actions