California's work product doctrine reflects a deliberate legislative policy choice. Rather than protecting documents simply because they were created during litigation, the doctrine protects the attorney's process of preparing a case. The Legislature codified that policy in Code of Civil Procedure section 2018.020, which explains that attorneys should be able to prepare their cases "with that degree of privacy necessary to encourage them to prepare their cases thoroughly and to investigate not only the favorable but unfavorable aspects of those cases." The statute also recognizes that attorneys should not be permitted to take "undue advantage of their adversaries' industry and efforts."
The work product doctrine protects the attorney's mental processes- the evaluation of evidence, development of litigation strategy, assessment of witness credibility, and formulation of legal theories that form the foundation of effective advocacy.
California provides two levels of distinct protection. First, the Code of Civil Procedure 2018.030 affords absolute protection to any writing reflecting an attorney's impressions, conclusions, opinions, legal research, or legal theories. Such writings are categorically immune from discovery. Other attorney work product receives qualified protection and may be discovered only if denying discovery would unfairly prejudice the requesting party or result in an injustice.
The California Supreme Court has repeatedly emphasized the significance of this distinction. In Coito v. Superior Court (2012) 54 Cal.4th 480, the Court explained the work product doctrine exists to preserve the privacy necessary for attorneys to investigate and evaluate their cases while preventing one side from benefitting unfairly from another attorney's preparation.
The Threshold Question: Is an AI Recording a "Writing?"
California's work product doctrine applies to "writings." Evidence Code section 250 broadly defines a writing to include "handwriting, typewriting, printing, photostating, photographing, photocopying, transmitting by electronic mail or facsimile, and every other means of recording upon any tangible thing any form of communication or representation, including words, pictures, sounds, or symbols, or combinations thereof, and any record thereby created, regardless of the manner in which the record has been stored."
This expansive language reflects legislative recognition that methods of preserving information inevitably evolve. Whether information is preserved on paper, magnetic tape, digital media, cloud storage, or another technological platform does not alter its status as writing. In this spirit, it is feasible an AI-generated audio recording should qualify as a writing capable of receiving work product protection.
The Content of the Communication Controls the Analysis
California courts have consistently focused on substance rather than form when evaluating work product claims. Attorneys have long memorialized witness interviews and expert meetings through handwritten notes. California courts have recognized that such notes frequently deserve absolute work product protection because the attorney necessarily exercises judgment in deciding what information to record, what issues deserve emphasis, and how various facts relate to the developing litigation strategy.
As the court observed in Nacht & Lewis Architects, Inc. v. Superior Court (1996) 47 Cal.App.4th 214 [54 Cal.Rptr.2d 575], an attorney's compilation and organization of information may itself reveal protected mental impressions, even where the underlying facts remain discoverable. An AI-generated transcript differs in one significant respect. Unlike notes generated directly by the attorney, the AI transcript does not reflect selective judgment. Instead, it preserves the conversation verbatim. No California court has yet determined whether an AI-generated transcript should be treated like attorney's notes, a court reporter's transcript, or something completely different. The question will remain whether the transcript would reveal the attorney's protected thought processes.
When a Consulting Expert Becomes a Testifying Expert
The analysis becomes considerably more nuanced once a consulting expert is designated a testifying expert. California expert discovery statutes require broad disclosure regarding a testifying expert's anticipated opinions, qualifications, and the information considered in forming the opinions. Williamson v. Superior Court (2012) 54 Cal.4th 480. Litigation should not become trial by ambush. Each party is entitled to evaluate the opinions that will be presented to the jury and prepare an effective response. McDonald v. Zargaryan (2025) 177 Cal.App.5th 344.
However, California law has long recognized the distinction between discoverable expert opinions and protected attorney thought processes. While an opposing party may explore the substance of an expert's opinions, it does not have a right to delve into counsel's mental impressions, legal theories, litigation strategy, and evaluation of the evidence. These processes remain independently protected under Code of Civil Procedure section 2018.030.
Absolute or Qualified Protection?
Whether an AI-generated recording or transcript receives absolute or qualified work product protection will likely depend upon what it reveals. If the materials reflect counsel's impressions, conclusions, legal theories, or litigation strategy, Code of Civil Procedure 2018.030 provides strong support for absolute protection. If the communication reflects factual investigation or technical discussions that do not expose more, only qualified protection may apply.
An AI-generated recording may contain multiple categories of information within the same file. Portions may reflect protected legal strategy, while others simply memorialize factual discussions with the expert. Should discovery disputes arise, courts may ultimately resolve the issue through in camera review, allowing the judge to distinguish protected attorney work product from otherwise discoverable material. National Steel Products Co. v. Superior Court (1985) 164 Cal.App.3d 476.
Does the AI Platform Itself Create a Waiver Issue?
Perhaps the most significant unanswered question has little to do with the recording itself, but rather where the recording goes. Traditional attorney notes generally remain within counsel's litigation file. AI-generated recordings are frequently transmitted to third party vendors for processing, transcription, storage, or analysis before they are returned to the attorney. Whether third-party involvement affects work product protection remains unsettled under California law.
Outside of the AI context, not every disclosure to a third party waives work product protection. Attorneys routinely share confidential information with litigation support vendors, e-discovery consultants, jury consultants, translators, and other professionals whose services are necessary to the representation. An AI platform operating solely as a secure litigation support provider may be viewed in the same way.
The analysis becomes more complicated if the AI provider reserves contractual rights to retain recordings, use them for quality assurance, improve its products, or train future AI models. If confidential attorney-expert communications become part of the provider's broader commercial operations, an opposing party could argue the disclosure exceeded what was reasonably necessary to facilitate legal representation and therefore undermine the protections afforded by the work product doctrine.
Practical Considerations
Although California courts have not yet answered these questions, several practical considerations may reduce unnecessary risk:
- Consider whether recording an expert meeting is necessary. Traditional notetaking remains an effective option.
- If AI transcription is used, carefully evaluate the provider's terms of service, data retention policies, confidentiality provisions, and any language authorizing secondary use of uploaded information.
- Remember that the substance of the communication remains paramount. The more the recording reflects attorney strategy, legal theories, and mental impressions, the stronger the argument for work product protection.
- If concerns arise before expert disclosure, counsel should evaluate whether the expert should remain a consulting expert rather than be designated as a testifying expert. If designation has already occurred, counsel may consider whether withdrawal of the expert is strategically appropriate.
- If opposing counsel seeks production of AI-generated recordings or transcripts, promptly evaluate whether to assert the work product doctrine and seek judicial determination. Because California courts have not yet addressed these issues, practitioners should anticipate the possibility of in camera review and be prepared to explain why disclosure would reveal protected attorney thought processes.
Conclusion
Although AI has transformed the mechanics of litigation preparation, thus far it has not fundamentally altered the principles underlying California's work product doctrine. Existing California authority suggests that AI-generated recordings and transcripts qualify as writings capable of receiving work product protection. Whether that protection ultimately applies, however, will likely depend upon the same considerations that have guided California courts for decades: the content of the communication, the extent to which it reveals counsel's mental impressions, and whether the information has been disclosed in a manner consistent with preserving work product protection.
Until California courts provide more definitive guidance, prudent litigators should approach AI-generated communications with caution. AI offers undeniable efficiencies, but convenience should never eclipse the careful protection of attorney work product.
