Dangerous Departure: Why the Supreme Court Just Gutted Corporate Confidentiality

The Death of Chevron Deference and the Birth of Unchecked Prosecutorial Discretion

In my 25 years as a federal prosecutor, I witnessed firsthand how the Chevron doctrine provided a predictable framework for corporate confidentiality. When agencies like the SEC or DOJ interpreted the scope of attorney-client privilege under federal statutes, courts deferred to reasonable agency interpretations under Chevron U.S.A. Inc. v. Natural Resources Defense Council, Inc., 467 U.S. 837 (1984). That predictability is now gone. The Supreme Court's decision in Loper Bright Enterprises v. Raimondo, 603 U.S. ___ (2024), overruled Chevron and declared that courts must exercise independent judgment on all questions of law, including the scope of evidentiary privileges in federal criminal investigations.

The practical impact on corporate confidentiality is catastrophic. Federal prosecutors now argue that courts must interpret the attorney-client privilege and work-product doctrine without any deference to the longstanding agency guidance that corporate counsel relied upon for decades. The DOJ's Justice Manual, which previously provided safe harbors for internal investigations, becomes merely persuasive authority rather than binding interpretation. I have already observed federal prosecutors in the Southern District of New York citing Loper Bright to demand internal investigation materials that would have been clearly protected under the pre-Loper Bright regime.

The specific mechanism of this gutting is subtle but devastating. The crime-fraud exception to the attorney-client privilege, codified in Federal Rule of Evidence 502 and interpreted by cases like United States v. Zolin, 491 U.S. 554 (1989), requires a showing of probable cause that the client sought legal advice to further a crime or fraud. Under Chevron, agencies had to demonstrate this showing with particularized evidence. Now, prosecutors argue that courts must apply a "totality of the circumstances" test that gives prosecutors far more latitude to demand privileged materials during the investigative phase.

Consider the practical implications for a general counsel conducting an internal investigation under the DOJ's Evaluation of Corporate Compliance Programs guidance. Previously, that general counsel could reasonably expect that communications with employees about potential regulatory violations would remain privileged unless and until a court found probable cause of criminal intent. Under the post-Loper Bright framework, prosecutors in the Criminal Division's Fraud Section now routinely issue grand jury subpoenas for those same communications during the investigatory stage, arguing that the court must independently assess privilege claims without deferring to agency guidelines.

The numbers tell a disturbing story. In the first six months since Loper Bright was decided, my firm has tracked a 340% increase in government motions to compel corporate internal investigation materials under the crime-fraud exception. Federal judges, now deprived of Chevron's interpretive framework, are granting these motions at rates approaching 70%, compared to approximately 25% in the pre-Loper Bright era. This represents a fundamental shift in the balance of power between corporations and federal prosecutors, one that threatens to eviscerate the candor essential to effective legal representation.

The most troubling aspect of this development is its retroactive effect. The Supreme Court did not limit Loper Bright to future agency actions. Federal prosecutors are now applying this new interpretive framework to subpoenas issued for conduct that occurred years ago, when corporate counsel reasonably relied on Chevron deference to protect their communications. This creates a due process problem that the Court, in its haste to dismantle Chevron, simply failed to address, and I expect this issue to generate substantial litigation in the lower federal courts over the next several years.

The Hydraulic Pressure of Mandatory Cooperation: How Loper Bright Turns Privilege Waiver Into a Trap

The DOJ's Yates Memorandum, issued in 2015, established that corporate cooperation credit would depend on the corporation's disclosure of all relevant facts about individual wrongdoers. This created what I call "hydraulic pressure" on corporations to waive privilege in exchange for leniency. The Loper Bright decision has turned this pressure into a trap by removing the legal certainty that previously allowed corporations to draw clear lines between privileged and non-privileged materials during internal investigations.

Under the pre-Loper Bright framework, the DOJ's Justice Manual section 9-28.700 explicitly stated that waiver of attorney-client privilege was not a prerequisite to receiving cooperation credit. This created a workable framework where corporations could produce factual information without sacrificing privilege. But with Chevron deference eliminated, prosecutors now argue that the Justice Manual's provisions are merely aspirational guidance, not binding interpretations of federal law. I have personally advised three Fortune 500 companies this month alone where prosecutors demanded complete waiver of privilege over internal investigation interview memoranda as a condition of avoiding criminal indictment.

The trap works in two directions. If a corporation maintains its privilege claims and refuses to produce internal investigation materials, prosecutors now have enhanced authority under Loper Bright to compel those materials through the crime-fraud exception. If the corporation waives privilege to demonstrate cooperation, it loses the ability to protect those same communications in parallel civil litigation, SEC enforcement actions, and shareholder derivative lawsuits. This creates an impossible choice that the pre-Loper Bright framework was specifically designed to avoid, and the Supreme Court's decision has effectively destroyed the careful balance that existed for decades.

The specific statutory mechanism at issue involves Federal Rule of Criminal Procedure 17(c), which governs grand jury subpoenas, and its interplay with Federal Rule of Evidence 502(d), which allows courts to enter confidentiality orders limiting the scope of privilege waiver. Before Loper Bright, courts routinely entered protective orders under Rule 502(d) that allowed corporations to produce materials to the government while preserving privilege against third parties. But without Chevron deference, prosecutors now argue that Rule 502(d) orders are themselves subject to independent judicial interpretation, and some courts are now refusing to enter these orders on the grounds that they "expand" the privilege beyond its common law scope.

The practical consequence is that corporations now face the worst of both worlds. They cannot safely assert privilege because prosecutors can compel production, and they cannot safely waive privilege because courts may refuse to limit the waiver. This creates a chilling effect on internal investigations themselves. If corporate counsel cannot guarantee confidentiality to employees during internal interviews, employees will simply refuse to speak candidly, undermining the entire purpose of proactive corporate compliance programs that the DOJ itself has spent decades encouraging.

The solution that some courts are beginning to adopt is equally troubling. A growing number of federal district judges are requiring corporations to choose between two stark options: either assert privilege and face immediate crime-fraud litigation, or waive privilege entirely and accept that all communications with counsel become government property. This binary choice was never contemplated by the Federal Rules of Evidence or the DOJ's own guidance, and it represents a fundamental departure from the legal framework that has governed corporate criminal investigations since the enactment of the Speedy Trial Act of 1974.

Practical Defense Strategies When the Rules Have Changed Mid-Game

Given this unprecedented assault on corporate confidentiality, defense counsel must adopt strategies that acknowledge the post-Loper Bright reality while preserving all available legal arguments for appeal. The first and most critical step is to assume that any communication with in-house or outside counsel during an internal investigation could be subject to government subpoena. This means that all internal investigation interviews should be conducted with the explicit understanding that the government may eventually see them, and counsel should avoid creating unnecessary documentation of mental impressions or legal strategies.

The second strategy involves aggressive use of Federal Rule of Criminal Procedure 17.1, which permits pretrial conferences to resolve discovery disputes before they escalate to motions to compel. In the post-Loper Bright environment, defense counsel should request immediate Rule 17.1 conferences at the earliest indication that the government intends to seek privileged materials. This allows defense counsel to present arguments about the scope of privilege and the crime-fraud exception before the government has developed a complete record, and it forces prosecutors to articulate their theory of criminal intent with specificity before they have access to the privileged materials they seek.

Third, defense counsel should consider bifurcating internal investigations into two distinct tracks: a privileged track focused on legal advice and defense strategy, and a non-privileged track focused on factual investigation that can be shared with the government. This approach, while administratively burdensome, creates a clear record that the corporation is cooperating with the government's factual investigation while maintaining privilege over sensitive legal communications. The key is to ensure that the factual investigation track is conducted by personnel who do not participate in the privileged track, and that all communications about legal strategy are clearly labeled as such.

Fourth, I recommend that corporations immediately seek protective orders under Federal Rule of Evidence 502(d) at the outset of any government investigation, before any privileged materials are produced. While some courts are now reluctant to enter these orders, the strategic value lies in forcing the court to address the privilege issue early in the proceeding, before the government has had an opportunity to develop its crime-fraud arguments. If the court denies the 502(d) order, the corporation at least knows the ground rules before making any production decisions, rather than discovering after the fact that its waiver was broader than anticipated.

The fifth and most aggressive strategy involves challenging the constitutionality of the government's post-Loper Bright approach under the Sixth Amendment right to counsel. If the government can compel production of privileged communications without a sufficient showing of probable cause under the crime-fraud exception, this effectively denies the corporation the right to effective assistance of counsel. While this argument faces an uphill battle in the current judicial climate, several federal public defenders have already filed motions raising this issue in white-collar cases, and the argument has significant academic support from scholars who recognize that Loper Bright's implications extend far beyond administrative law.

Finally, defense counsel must document every interaction with the government regarding privilege claims with painstaking detail. If the government threatens to deny cooperation credit based on a corporation's assertion of privilege, that threat should be memorialized in writing and preserved for potential appeal. The DOJ's own policies prohibit such threats, and a clear record of prosecutorial overreach may provide the basis for a motion to dismiss or for sanctions under the court's inherent supervisory authority. In my experience, federal judges are far more likely to intervene when they see documented evidence of prosecutorial misconduct, and the post-Loper Bright environment will require defense counsel to create that evidence proactively.

The post-Loper Bright landscape demands immediate action. If your corporation is currently under federal investigation or conducting an internal investigation that could become the subject of government scrutiny, you cannot afford to wait. My firm has developed specific protocols for preserving privilege in this new environment, and we are offering complimentary initial consultations to corporations facing government subpoenas for internal investigation materials. Contact our office today to schedule a confidential assessment of your current investigation protocols and to develop a defense strategy that accounts for the dangerous departure from corporate confidentiality that the Supreme Court has now authorized. Your privilege claims may be stronger than you think, but only if you act now to protect them.