ABA Formal Ethics Opinions Archive by Issue Dates

Formal Opinion 483: Lawyers’ Obligations After an Electronic Data Breach or Cyberattack (October 17, 2018)

Formal Opinion 482: Ethical Obligations Related to Disasters (September 19, 2018)

Formal Opinion 481: A Lawyer’s Duty to Inform a Current or Former Client of the Lawyer’s Material Error (April 17, 2018)

Formal Opinion 480: Confidentiality Obligations for Lawyer Blogging and Other Public Commentary (March 6, 2018)

Formal Opinion 479: The “Generally Known” Exception to Former-Client Confidentiality (December 15, 2017)

Formal Opinion 478: Independent Factual Research by Judges Via the Internet (December 8, 2017)