Gatekeeping Function of District Courts re: Expert Testimony

The U.S. Court of Appeals for the Federal Circuit issued an en banc opinion in EcoFactor, Inc. v. Google LLC, 137 F.4th 1333 (2025) emphasizing the court’s responsibility in gatekeeping the admissibility of expert testimony. The Federal Circuit reversed the District Court’s decision to admit a damages expert and granted a new trial. The court underscored the district court’s function and responsibility under Daubert v. Merrell Dow Pharmaceuticals, Inc., 509 U.S. 579 (1993) to ensure expert testimony is reliable and based on a sufficient factual foundation.

As of March 2026, EcoFactor, Inc., the decision was cited in 25 times in judicial opinions: 5 citations from the U.S. Court of Appeals for the Federal Circuit, 17 citations from federal district courts, and one citation from the Ohio Court of Appeals. This decision can have far-reaching implications in patent litigation and beyond, as it may lead to district courts applying higher levels of scrutiny in relation to determining the reliability and admissibility of expert opinions and testimony. While the true impact remains to be seen, one thing is certain: this en banc decision has captured the attention of a large audience.

Of note, in Willis Elec. Co., Ltd. v. Plygroup Ltd., the Federal Circuit distinguished EcoFactor, arguing that Mr. Kennedy’s expert testimony was unreliable “because it was predicated on an inaccurate characterization of the licenses.” 166 F.4 1363 (2026). In consideration of Willis, it is foreseeable that determinations referencing EcoFactor and its progeny will be made on a case-by-case basis, diving deeper into whether expert opinion or testimony is sufficiently supported by facts and data.

Cautionary Tale: Clients Using AI May Convert Privileged Information into Discoverable Material

United States v. Heppner: A Landmark Decision on AI and Privilege 

On February 10 and 17, 2026, Judge Rakoff, of the United States District Court, Southern District of New York, issued an order marking the first time a federal court addressed the intersection of generative artificial intelligence (“AI”) and privileged information, finding that communications with publicly accessible AI platforms are not protected under either the attorney-client privilege or work product doctrine. 

While this decision is one of first impression, many anticipate that other jurisdictions and courts will follow Judge Rakoff’s decision and reasoning. See e.g., Elizabeth E. Schlissel & Daryl T. Caffarone, Loose AI Prompts Sink Ships: How Heppner Shook the Legal Community, N.Y. St. B. Ass’n (Mar. 10, 2026); Stephen Embry, Hate to Say I Told You So Again: Your Chats Ain’t Private, Above the Law (March 2, 2026); Micaela McMurrough, Matthew Harden, & Bryan Ramirez, AI and Legal Privilege: Key Takeaways from U.S. v. Heppner, Inside Privacy (March 2, 2026); Pamela Langham, AI Platforms and Confidentiality: A Closer Look at United States v. Heppner, Md. State B. Ass’n (Feb. 25, 2026).

Accordingly, “the proper advice is that clients shouldn’t risk talking about their cases with AI.” Joe Patrice, Does Asking ChatGPT a Legal Question Make It Discoverable? It Depends!, Above the Law (Feb. 24, 2026).

Case Background

On October 28, 2025, a grand jury returned an indictment charging Defendant Bradley Heppner “with securities fraud, wire fraud, conspiracy to commit securities fraud and wire fraud, making false statements to auditors, and falsifying corporate records.” United States v. Heppner, 2026 U.S. Dist. LEXIS 32697, at *2 (S.D.N.Y. Feb. 17, 2026). “In connection with Heppner’s arrest…, [the FBI]… seized numerous documents and electronic devices.” Heppner, 2026 U.S. Dist. LEXIS 32697, at *3. Among the materials seized, there “were approximately thirty-one documents that memorialize communications that Heppner had with the generative AI platform ‘Claude,’ which is operated by the private company Anthropic.” Id., at *4. 

“According to Heppner’s counsel, the documents represent communications between Heppner and Claude that took place ‘in 2025, after Mr. Heppner had received a grand jury subpoena [and] after it was clear with discussions with the government that Mr. Heppner was the target of this investigation.’” Heppner, 2026 U.S. Dist. LEXIS 32697, at *4. “Without any suggestion from counsel that he do so, Heppner ‘prepared reports that outlined defense strategy, that outlined what he might argue with respect to the facts and the law that we anticipated that the government might be charging.’” Id. (emphasis added). Heppner’s counsel asserted that Heppner “‘was preparing these reports in anticipation of a potential indictment.’” Id. 

Heppner’s Assertion of Privilege

Heppner’s counsel “asserted privilege over these documents (the ‘AI Documents’), arguing that (1) Heppner had inputted into Claude, among other things, information that Heppner had learned from counsel; (2) Heppner had created the AI Documents for the purpose of speaking with counsel to obtain legal advice; and (3) Heppner had subsequently shared the contents of the AI Documents with counsel.” Heppner, 2026 U.S. Dist. LEXIS 32697, at *4–5 (emphasis added).  

The Government disagreed and filed a motion for an order stating that these AI Documents were neither protected “by attorney-client privilege nor the work product doctrine.” Heppner, 2026 U.S. Dist. LEXIS 32697, at *5.  

Judge Rakoff’s Attorney-Client Privilege Ruling

After noting the requirements for attorney-client privilege attachment, which only occurs in “‘communications (1) between a client and his or her attorney (2) that are intended to be, and in fact were, kept confidential (3) for the purpose of obtaining or providing legal advice,’” and that courts construe this privilege “narrowly,” the Court found that “the AI Documents lack at least two, if not all three, elements.” Heppner, 2026 U.S. Dist. LEXIS 32697, at *5–6. 

First, Claude is not an attorney and the use of Claude, “like any other form of software” “cuts against the invocation of privilege because all ‘[r]ecognized privileges’ require, among other things, ‘a trusting human relationship…’” and “No such relationship exists, or could exist, between an AI user and a platform…” Heppner, 2026 U.S. Dist. LEXIS 32697, at *6–7 (brackets in original) (emphasis added).

Second, these communications were not confidential. Heppner, 2026 U.S. Dist. LEXIS 32697, at *7–8. “This is not merely because Heppner communicated with a third-party AI platform but also because the written privacy policy to which users of Claude consent provides that Anthropic collects data on both users’ ‘inputs’ and Claude’s ‘outputs.’” Id., at *7. Moreover, “Anthropic reserves the right to disclose such data to a host of ‘third parties.’” Id. 

Thus, “AI users do not have substantial privacy interests in their ‘conversations with’” “‘publicly accessible AI platform[s] which users voluntarily disclosed’ to the platform and which the platform ‘retains in the normal course of its business’” especially when the privacy policies of these platform inform their users that they “may ‘disclose personal data to third parties in connection with claims, disputes, or litigation.’” Heppner, 2026 U.S. Dist. LEXIS 32697, at *8 (brackets in original omitted). 

Third, while the Court noted this factor was a “closer call,” ultimately, “Heppner did not communicate with Claude for the purpose of obtaining legal advice” because “Heppner did not do so at the suggestion or direction of counsel” but rather “of his own volition.” Heppner, 2026 U.S. Dist. LEXIS 32697, at *8–9. It was of no import that “he later shared Claude’s outputs with counsel.” Id. at *9. 

It is worth noting, however, that “[h]ad counsel directed Heppner to use Claude, Claude might arguably be said to have functioned in a manner akin to a highly trained professional who may act as a lawyer’s agent within the protection of the attorney-client privilege.” Heppner, 2026 U.S. Dist. LEXIS 32697, at *9 (emphasis added).

Judge Rakoff’s Work Product Doctrine Ruling

Similarly, the Court found that the AI Documents were not protected by the work product doctrine. Heppner, 2026 U.S. Dist. LEXIS 32697, at *10–14.

The “work product doctrine… ‘shelters the mental processes of the attorney’” and thus “‘provides qualified protection for materials prepared by or at the behest of counsel in anticipation of litigation or for trial.’” Heppner, 2026 U.S. Dist. LEXIS 32697, at *10.

Given that the AI Documents were “not ‘prepared by or at the behest of counsel,’” “nor did they reflect defense counsel’s strategy,” they did “not merit protection.” Heppner, 2026 U.S. Dist. LEXIS 32697, at *11, *14.  

Heppner Takeaways 

Heppner Takeaway # 1: AI Platforms Are Not Confidential Spaces

An individual’s use of AI platforms that are publicly available and whose terms of service permit model training, permit data retention, and/or provide notice that disclosure to third parties are likely to be found not confidential. 

Accordingly, client should avoid using AI platforms to draft or analyze legal strategies, as these communications may be subject to discovery. 

Heppner Takeaway # 2: A Client’s Communications with AI Platforms May Only Be Protected In Limited Circumstances

Judge Rakoff did not create a new privilege exception but rather applied settled doctrine to new technology. Thus, in order for privilege protections to apply, the client’s communications must involve direct participation or direction from legal counsel and be confidential.

A client’s independent communications with publicly accessible AI platforms, such as ChatGPT, Claude, or Gemini, even for legal purposes, do not meet these requirements. Rather, the client must be using the AI platform under the direction and supervision of counsel. And, as it was not at issue or discussed in Heppner, there is not clear guidance as to what extent attorney involvement and direction demonstrates requisite participation in order to gain privilege protections.

Moreover, these communications also must be confidential. As highlighted in the first takeaway: using publicly available AI platforms are likely not confidential. 

Given the foregoing, “the proper advice is that clients shouldn’t risk talking about their cases with AI.” Joe Patrice, Does Asking ChatGPT a Legal Question Make It Discoverable? It Depends!, Above the Law (Feb. 24, 2026).

However, in the event a client communicates with an AI platform at the direction and under the supervision of counsel, counsel’s involvement and direction should be well documented. 

Consulting Attorneys for AI Guidance

This decision reinforces the importance of understanding the legal implications of emerging technologies. As AI use continues, attorneys and clients alike must remain vigilant in safeguarding privilege and confidentiality.

Navigating the complexities of the intersection of generative AI and the law can be daunting, which is why consulting with experienced attorneys is essential. Shelby and her colleagues at Pia Hoyt are here to help! 

Contact our offices for more information. 

Remotely Working with Your Lawyer in a Virtual World

“We provide sophisticated legal advice in a wide range of practice areas, but our overhead is low, our staffing lean, our fees flexible and value-driven.” 

It has come to a point where for some, working remotely is no longer an option; it is a necessity. Unsurprisingly, law firms have begun to get into the trend of working remotely. In fact, so prominent is this movement within the legal field, that Atlantic magazine asked in a feature story about the changing legal work environment, “Do lawyers need offices anymore?”


Law firms, in particular, are expected to widely adopt a remote workforce in 2019, through both “virtual firms” — in which all lawyers work remotely — and evolving policies at conventional law practices of all sizes.

And while it is true that the legal industry has been slow to embrace the trend due to compliance issues, heavy regulation and concerns over client data protection, that is changing with the steady rollout of new technologies, improved security capabilities and wider connectivity.

The ability to work between meetings, access case files instantly and meet clients wherever they prefer can mean less time wasted during the workday — and that should mean much stronger results.

Also, it’s been proved that working from home can result in impressive employee productivity gains, benefiting lawyers, staff, management and clients alike.

Letting team members work at home, the client’s office, or anywhere but the office can help build a firm culture that benefits clients with increased flexibility and responsive communications.

Capitalizing on Your Brand in a Down Economy: How trademarks can be your most valuable asset

Consumers’ purchasing decisions are influenced by trademarks and the reputation such brands represent. It is important for Utah businesses to have an understanding of why trademarks are important assets and how trademarks can help them grow. This webinar will explore how trademarks can appreciate in value over time; how they can be a property asset similar to real estate that can be bought, sold, or licensed; and how a trademark can generate sales and profits.

The Supreme Court’s Trademark Ruling Making Damages Easier to Obtain may Spark Litigation Wave

In the wake of a U.S. Supreme Court decision making it easier to win damages in trademark cases, are courts about to see a spike in infringement lawsuits and huge awards? The ruling on Thursday, in favor of a company called Romag Fasteners, said that courts can order trademark infringers — in this case Fossil Group Inc. — to fork over their ill-gotten profits even if they haven’t violated the law willfully.

As expected, the U.S. Patent and Trademark Office is facing a flood of trademark applications related to the coronavirus pandemic, despite the fact that experts say the vast majority of them will be rejected

Inside the Court System – Navigating the Impact of COVID-19

We recognize that the impact of COVID-19 on the global economy as well as on our colleagues, clients, families, and friends. Our primary concerns are helping you navigate the stress of legal issues in this volatile and unusual environment.

Courts across the country are taking measures to prevent the spread of the coronavirus, some are restricting access and altering their procedures. Here is a summary of changes in some of the key jurisdictions where your cases are pending.

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Utah

District of Utah

All civil and criminal jury trials scheduled to begin before May 1 are postponed until further notice. All trial-related deadlines in criminal trials scheduled to begin before May 1 are postponed until further notice, but criminal trials are already underway as of March 16 will continue. Judges con postpone trial-related deadlines in civil cases at their discretion. All grand jury proceedings are suspended through May 1. All currently scheduled hearings in criminal cases are postponed, but the assigned judge in each case may proceed with the hearings remotely.

State Courts

Those with symptoms of COVID-19 and those who may have been exposed to the coronavirus are not allowed to enter any courthouse. The Utah Supreme Court directed state court judges to grant motions for extensions of time liberally. Hearings will be conducted remotely or on the papers, “absent exigent circumstances,” according to the state Supreme Court’s order. District Court and Justice Court judges to suspend all criminal and civil jury trials until after June 1.

Tenth Circuit Court of Appeals

The courthouse is closed to the public from March 17 until further notice. The courthouse will be restricted to judges, court staff, court security officers and service providers with official business with the court. All filings should be made electronically or via mail until further notice.

Texas

Northern District of Texas

All civil and criminal bench and jury trials scheduled to begin through May 1 are postponed until further notice. The postponed does not include other deadlines besides the trial date. All grand jury proceedings through May 1 are postponed, and all deadlines, including the statute of limitations, are suspended through May 1. Public tours and naturalization ceremonies scheduled through May 1 are canceled and will be rescheduled later.

Southern District of Texas

Courthouses are generally closed to the public. The district ordered that any sentencing for which the presentencing report calculates the lowest range of the guideline range at 21 months of imprisonment or more is postponed through May 15. All jury trials that were scheduled to begin on or before May 31 in the Corpus Christi Houston, Galvenston and McAllen divisions are postponed. Grand jury sessions in those divisions are also postponed through May 31. In the Laredo Division, all jury trials scheduled to begin in April are postponed, and grand jury sessions scheduled through May 1 are postponed.

Eastern District of Texas

Attorneys and parties should communicate if court proceedings could cause someone to come into contact with an individual exposed to or infected with the coronavirus.

Western District of Texas

All scheduled proceedings in civil and criminal bench jury trials set to begin before May 1 are postponed, with the exception of pleas, sentencings, criminal matters before magistrate judges, and the issuance of warrants. All deadlines in a scheduling order, besides the trial date, remain in effect unless modified by the assigned judge. Parties are encouraged to participate in nonsentencing proceedings by telephone or video. Other matters such as tours and naturalization ceremonies that were scheduled to take place before May 1 are canceled.

State Courts

Deadlines for filing or service of any civil case are tolled from March 13 until June 1. Dallas County has canceled all jury trials through May 8. The Harris County Civil District Court, serving the Houston area, has suspended jury service through May 31.

Fifth Circuit Court of Appeals

All requirements to file paper copies are suspended until further notice. Extensions with justification may be requested from the clerk’s office. All outstanding deadlines for incarcerated and non-incarcerated pro se filers are extended for 30 days after their due dates. Oral arguments scheduled for April 27-30 are canceled.

California

Central District of California

All courthouses are closed to the public through June 1, except for certain criminal hearings. Courthouse tours are canceled. No civil hearings will go forward except for emergency time-sensitive matters. Any hearings on emergency civil matters will only proceed by telephone. In the bankruptcy court for the Central District, appearances by telephone are mandatory in all matters through June 1.

Eastern District of California

All civil and criminal jury trials scheduled to begin before June 15 are postponed. All courthouses are closed to the public. All civil matters will be decided on the papers or by remote hearings, if necessary. All criminal initial appearances, arraignments, and other essential proceedings will proceed before magistrate judges unless the parties agree to postpone them. Proceedings should be conducted remotely when possible. District judges may postpone criminal matters to a date after June 1.

Northern District of California

All civil and criminal jury trials are postponed until May 1. Essential operations for the Oakland, San Jose and Eureka/McKinleyville courthouses will be consolidated and relocated to the San Francisco courthouse until May 1.

Southern District of California

Civil and criminal jury trials are postponed until April 16. For the district’s bankruptcy court, all hearings will be conducted telephonically through May 16. From April 13 through May 8, the court will prioritize felony criminal sentencings in which the government is recommending a “time-served” or probationary sentence for in-custody defendants.

State Courts

The California Supreme Court suspended in-person oral argument sessions until further notice. Counsel will only appear remotely. All oral argument sessions will be held in the court’s San Francisco headquarters courtroom with limited seating.

Ninth Circuit Court of Appeals

Courthouses are closed to the public during non-court weeks until further notice. The court is evaluating scheduled arguments and will give orders to the cases individually.

Federal Courts Plot Out How They’ll Decide To Reopen

The federal courts will rely on data from public health officials to gauge the severity of the COVID-19 pandemic in their individual jurisdictions and determine how quickly to restore operations, the Administrative Office of the U.S. Courts said in guidelines issued Monday.

Courts should follow a four-phase process for returning operations to how they were before the novel coronavirus tore through the U.S. and upended life, the federal agency said, advising courts to use data from state and local officials and from the Centers for Disease Control and Prevention in deciding whether to gradually reopen or to leave things as they are.

In the first phase laid out in the guidelines, courthouses are closed to the public, most employees are working remotely and most proceedings are postponed. In the second phase, additional court filings and proceedings may occur, and people not considered particularly vulnerable to the disease may physically return to work. In the third phase, courtrooms reopen and additional employees return to the office while individuals observe social distancing, wear masks and take other precautionary measures. And in the final phase, court operations return to “normal,” the agency said.

A group of chief judges and court executives are expected to develop protocols for how grand jury and trial jury proceedings can resume, the agency said.

“Issues such as testing potential jurors, social distancing considerations during jury assembly, voir dire, jury deliberations and many others are being considered,” James C. Duff, the agency’s director, said in a statement Monday.