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Shearson/American Express Inc. v. McMahon

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Adapted from the English Wikipedia article Shearson/American Express Inc. v. McMahon, available under CC BY-SA 4.0Updated 8 August 2025
Shearson/American Express Inc.
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United States

Shearson/American Express Inc. v. McMahon, 482 U.S. 220 (1987), represents a landmark ruling by the United States Supreme Court concerning the arbitration of private securities fraud claims under the Securities Exchange Act of 1934. In a narrow 5–4 decision, the Court determined that its earlier 1953 precedent set in Wilko v. Swan, which prohibited mandatory arbitration under the Securities Act of 1933, did not extend to claims brought under the 1934 Act due to distinctions in the legislative text. This verdict overturned the Second Circuit's confirmation of what had been regarded as established doctrine. Furthermore, the Court declared that claims under the Racketeer Influenced and Corrupt Organizations Act (RICO) were subject to arbitration, endorsing a district court ruling affirmed by the Second Circuit.

The question of arbitration's applicability under the 1934 Act initially surfaced in the 1974 case Scherk v. Alberto-Culver Inc., where Justice Potter Stewart supported arbitration owing to the international context of the dispute. The issue reemerged in Justice Byron White's concurring opinion in Dean Witter Reynolds Inc. v. Byrd, which sparked divergent interpretations among lower courts adopting White’s reasoning.

Justice Sandra Day O'Connor penned the majority opinion, building upon White’s framework. Justice Harry Blackmun dissented, joined by Justices Brennan and Marshall, who had previously favored restrictions on arbitration in Byrd. Justice John Paul Stevens authored a separate dissent; both dissenting opinions concurred that RICO claims should be arbitrable. Following remand, proceedings extended for three years; during this period, the district judge imposed sanctions on McMahons’ attorneys for filing frivolous motions, though these sanctions were later overturned on appeal, setting additional legal precedent.

The McMahon decision notably expanded arbitration's role within securities disputes regulated by the 1934 Act, which governs most secondary market transactions. It signified growing judicial endorsement of arbitration as an equitable alternative for resolving conflicts. This reasoning influenced Rodriguez de Quijas v. Shearson/American Express Inc. (1990), which fully repudiated Wilko and permitted arbitration under the 1933 Act when parties explicitly agreed. The surge in securities arbitration following these rulings led to investor-protective reforms during the 1990s.

Underlying dispute

In 1979, Eugene and Julia McMahon, proprietors of two funeral homes located in Yonkers, New York, became acquainted with Walter and Mary Ann McNulty, fellow members of their church congregation. Mrs. McNulty, employed as a broker at Shearson/American Express, encouraged the McMahons to invest their personal savings along with employee retirement and profit sharing funds through her brokerage firm. Two years later, McNulty persuaded them to execute power of attorney documents granting Shearson authority to trade without needing their prior approval. These standard agreements contained an arbitration clause designating arbitration as the method for resolving disputes.

By that time, over $500,000 had been invested with Shearson by the McMahons. They alleged that subsequent to signing the power of attorney, McNulty greatly increased trading activity—account statements revealed at least three trades daily and sometimes reaching fifty per week, predominantly involving high-risk options. The McMahons lacked sufficient financial expertise to comprehend these transactions; even their accountants found them perplexing.

They experienced substantial financial losses. Despite McNulty’s assurances, their apprehensions intensified. When they terminated their account in early 1983, its value was nearly exhausted. Trading losses amounted to $350,000 (adjusted for inflation), with commissions comprising the remaining depletion.

Relations between the families deteriorated sharply. Mrs. McNulty initiated a defamation lawsuit against Eugene McMahon alleging harm to her reputation. In late 1984, the McMahons filed suit against Shearson and McNulty in federal court accusing them of churning—executing trades solely to generate commission fees—alleging breaches of SEC regulations under the Securities Exchange Act of 1934, violations of the Racketeer Influenced and Corrupt Organizations Act (RICO), as well as New York state statutes. They sought restitution alongside $5 million in punitive damages.

Arbitration versus Litigation

The McMahons’ lawsuit was one among numerous cases initiated by investors against brokerage firms during a bull market. Brokers such as McNulty and Shearson maintained that clients often anticipated unrealistic profits and failed to grasp that market downturns are a normal occurrence. Edward O'Brien, who served as president of the Securities Industry Association, emphasized, "The brokerage relationship is not a guarantee relationship or an insurance relationship." Brokerages advocated for enforcing arbitration agreements to minimize the duration and expenses involved in defending legal claims.

Brokerage firms contended that juries lacked the specialized knowledge necessary to comprehend the complexities of securities trading, unlike arbitrators with industry expertise. They regarded arbitration as a more expedient, cost-effective, and equitable method. Edward Morris, the director of arbitration at the New York Stock Exchange, observed that arbitration panels ruled in favor of customers in more than half of the cases.

Conversely, investors and their attorneys argued that the system was biased toward brokerages. Sheldon Elsen from the American Bar Association’s securities arbitration task force remarked, "The houses basically like the present system because they own the stacked deck." Some clients even abandoned hearings, citing concerns over conflicts of interest among arbitrators.

Critics pointed out that investors’ apparent success rates were deceptive since awards typically reimbursed only their losses, which were often offset by legal costs, and did not include punitive damages that courts might award to discourage wrongdoing. Additionally, investors faced procedural limitations in arbitration, lacking the authority to compel evidence disclosure or challenge withheld documents. Arbitrators were not obligated to provide written justifications for their rulings.

Relevance of Wilko to Claims under the 1934 Act

In 1953, the Supreme Court decided in Wilko v. Swan that provisions within the Securities Act of 1933—which regulates the primary market—allowed investors to circumvent arbitration clauses and pursue litigation in court. The Court interpreted the Act’s prohibition on waivers as extending to agreements mandating arbitration, reflecting Congress’s preference for judicial resolution.

Subsequent lower court rulings expanded Wilko’s application to claims under the 1934 Act, which governs the secondary market, where most securities trading occurs. Multiple appellate courts upheld this interpretation until 1974’s Scherk v. Alberto-Culver Co., a case involving an international trademark dispute with stock-related elements. Justice Potter Stewart suggested there was a "colorable argument" that Wilko did not apply to the 1934 Act due to differences in statutory language but nonetheless affirmed arbitration given the international nature of the dispute.

The Supreme Court did not address this issue again in Dean Witter Reynolds Inc. v. Byrd, decided around the time when the McMahons initiated their lawsuit. Justice Byron White, concurring, noted that this question remained unresolved. Afterward, numerous district and appellate courts began adopting his view regarding arbitration’s applicability under federal securities statutes.

Proceedings in Lower Courts

Prior to trial, Shearson filed a motion to compel arbitration based on the contractual agreement. District Judge Lloyd MacMahon granted this motion, referencing the Supreme Court’s recent decision in Byrd. Nevertheless, a panel of the Second Circuit overturned arbitration for claims under the 1934 Act on grounds of existing precedent but upheld arbitration for claims brought under RICO statutes.

District court

The McMahons contested arbitration by citing Wilko, a 1953 Supreme Court decision that carved out an exception to the Federal Arbitration Act (FAA) specifically for securities fraud claims under the Securities Act of 1933. They contended that fraud claims could not be arbitrated, characterized their contract as an unenforceable adhesion contract, and argued that a previous state court proceeding nullified the arbitration agreement.

Judge MacMahon dismissed these contentions, finding no indication of fraudulent inducement in the contract. Applying the Prima Paint separability doctrine, he held that allegations of fraud unrelated to the arbitration clause itself must be resolved by the arbitrator. He determined that the fraud claims fell within the arbitration clause’s ambit and that earlier state court actions did not constitute a waiver of arbitration rights.

With respect to Wilko’s relevance to claims under the 1934 Act, MacMahon observed that Allegaert v. Perot had upheld a preference for litigation in cases involving broad industry-wide fraud, which contrasted with this case involving an individual brokerage dispute. In light of this and the Supreme Court’s pro-arbitration position expressed in Moses H. Cone Memorial Hospital v. Mercury Constr. Corp., he directed that arbitration proceed according to the contract terms. While RICO claims were ruled non-arbitrable, they were stayed pending the arbitration outcome. Additionally, state law claims were ordered to arbitration following Byrd.

Appeals court

Both parties appealed to the Second Circuit Court of Appeals. The McMahons sought to overturn the arbitration order concerning the 1934 Act claims, whereas Shearson pursued arbitration of the RICO claims as well. In early 1986, a panel consisting of Chief Judge Wilfred Feinberg, Jon O. Newman, and William Homer Timbers reviewed oral arguments and ruled in favor of the McMahons on both points, reversing Judge MacMahon’s directive for arbitration and permitting the RICO claims to move forward without a stay.

Judge Timbers authored the panel’s opinion, describing MacMahon’s determination that 1934 Act claims were subject to arbitration as "an unwarranted departure from settled law" within the Circuit. He cited precedents favoring litigation over arbitration to ensure stronger protection of investor rights, noting that historically, arbitration had been confined to disputes among exchange member firms.

Shearson had advocated overruling these precedents by referencing White’s concurrence in Byrd, but Timbers declined to overturn established Circuit law absent Supreme Court intervention. He also remarked that an amicus curiae submission from the Securities and Exchange Commission (SEC) might have been beneficial in reaching a decision.

Regarding RICO claims, Timbers deemed them non-arbitrable on public policy grounds and consistent with Circuit precedent treating Sherman Antitrust Act claims similarly, since such statutes serve significant national economic interests. He distinguished this from Mitsubishi Motors Corp. v. Soler Chrysler-Plymouth, Inc., where international considerations justified arbitration of Sherman Act disputes. Given RICO’s relative novelty, he underscored the necessity for judicial scrutiny in an open forum.

On state law claims, the panel upheld MacMahon’s ruling that they were subject to arbitration even if handled separately, suggesting that for efficiency, the McMahons might contemplate withdrawing those claims.

Supreme Court

Shearson petitioned the Supreme Court, which agreed to hear the case before the end of that year. Oral arguments took place in March 1987, with Theodore Krebsbach and Solicitor General Richard Taranto advocating for Shearson and seeking a reversal of the lower court’s ruling. The McMahons were represented by Theodore Eppenstain and Madelaine, who had garnered significant media attention.

While the case was pending, the SEC submitted an amicus brief that moderated its earlier skepticism about arbitration, acknowledging improvements since the Wilko decision. Twenty brokerage firms filed supporting briefs urging reversal, whereas two others recommended affirmance.

Decision

In June 1987, the Supreme Court ruled 5–4 in favor of Shearson, determining that the Wilko precedent did not apply to claims under the Securities Exchange Act of 1934 and that RICO claims were also subject to arbitration. Justice Sandra Day O’Connor authored the majority opinion; Justice Harry Blackmun concurred regarding RICO but dissented on the 1934 Act issue; Justice John Paul Stevens dissented similarly.

Majority

Justice O’Connor distinguished between the broader nonwaiver provision in the Securities Act of 1933 and the narrower language in the 1934 Act, which only barred waiver of "compliance" with statutory provisions. She reasoned that federal court jurisdiction under the 1934 Act did not constitute a compliance obligation for investors or brokers and thus was not covered by the nonwaiver clause.

She further explained that Wilko's prohibition against waiving judicial forums was grounded in arbitration’s then-inadequacy to safeguard substantive rights. Later rulings such as Scherk supported a limited interpretation of Wilko, restricting it to situations where arbitration protections were insufficient.

O’Connor dismissed arguments that adhesion contracts or insufficient protections invalidated arbitration agreements, citing enhanced safeguards and SEC oversight. She observed that Congress had not explicitly extended Wilko to Exchange Act claims and may have deliberately left this determination to judicial discretion.

Regarding RICO claims, she found no legislative intent excluding them from arbitration and pointed out prior Supreme Court enforcement of arbitration in complex antitrust litigation. The McMahons’ assertions about complexity and public policy considerations did not justify exempting RICO claims. She concluded civil RICO actions against legitimate businesses are arbitrable.

Dissents

Justice Blackmun agreed with arbitration of RICO claims but dissented on applying arbitration to Exchange Act claims. He criticized the majority for overturning Wilko primarily based on the SEC’s changed stance without acknowledging its novelty. Emphasizing investor protection as fundamental to securities laws, he argued arbitration still lacked essential features such as written records and sufficient judicial review.

Blackmun raised concerns about industry-controlled arbitration forums potentially favoring brokers over investors and questioned whether the SEC could ensure fairness given persistent securities industry misconduct. He urged lower courts to scrutinize arbitration results carefully despite FAA constraints.

Justice Stevens offered a brief dissent underscoring respect for established statutory interpretations like Wilko, suggesting any modifications should originate from Congress rather than judiciary.

Subsequent proceedings

The matter returned to district court but procedural disagreements delayed progress for two years before Judge MacMahon. Sanctions initially imposed on plaintiffs’ counsel Eppenstein were later overturned on appeal.

District court sanctions plaintiffs' counsel

In 1988, disputes emerged over whether a separate court order was necessary to initiate arbitration and which forum governed proceedings. The McMahons sought arbitration under AAA rules rather than NYSE rules specified in their contract.

Judge MacMahon deemed plaintiffs’ objections frivolous, emphasizing that arbitration was triggered by occurrence of dispute rather than formal court orders. He criticized plaintiffs’ counsel for misinterpreting orders to stall arbitration and imposed a $1,000 sanction on Eppenstein for frivolous filings causing undue delay and expense.

Sanctions overturned on appeal

Eppenstein appealed; in 1990, the Second Circuit reversed these sanctions. Judge Cardamone noted that MacMahon had declined to decide forum selection issues, compelling plaintiffs to seek relief in state court. Eppenstein’s submissions accurately reflected court orders without misrepresentation.

The appellate panel found Shearson’s initiation of arbitration in a forum contrary to agreed terms vexatiously multiplied proceedings more than plaintiffs’ conduct. It also rejected attempts by Shearson to sanction Eppenstein for filing an appeal.

Subsequent jurisprudence

Following McMahon, investors asserting claims under the 1934 Act could be compelled into arbitration, whereas those with claims under the 1933 Act remained shielded by Wilko. Legal commentators anticipated eventual overruling of Wilko, noting its erosion by McMahon and inconsistent decisions among lower courts.

Rodriguez de Quijas v. Shearson/American Express Inc.

Shortly after McMahon, district courts ordered arbitration for certain 1933 Act claims, signaling weakening of Wilko. The Fifth Circuit recognized this trend as inevitable.

In Rodriguez de Quijas, which involved claims under both Acts, the Fifth Circuit held that McMahon undermined Wilko, rendering securities claims arbitrable regardless of statutory basis. The court found no congressional intent to differentiate treatment between similar claims under either Act.

The Supreme Court granted review and in May 1989 overturned Wilko by a narrow 5–4 vote. Justice Kennedy authored the majority opinion reaffirming confidence in contemporary arbitration processes and rejecting arguments that nonwaiver provisions precluded pre-dispute arbitration agreements under the Securities Act.

Kennedy stressed harmonizing interpretation of both statutes within a unified federal securities regulatory framework. He criticized lower courts for prematurely overruling Wilko, reserving such authority exclusively for the Supreme Court.

Justice Stevens dissented once again, cautioning against judicial overturning of longstanding statutory interpretations absent clear congressional direction.

Post-decision arbitration reform

After these rulings, analysts predicted increased securities arbitrations before industry panels and advocated reforms balancing fairness with efficiency.

Professor Constantine Katsoris recommended preserving key benefits of arbitration while expanding discovery opportunities and requiring arbitrators with expertise and disclosure duties. He opposed mandatory arbitration clauses imposed without investor consent or standardized language limiting rights unfairly.

Katsoris expressed ambivalence regarding mandatory written opinions from arbitrators but acknowledged their potential usefulness when decisions hinge on specific issues; ultimately, the SEC declined to mandate such opinions.

Subsequent studies noted brokerage firms increasingly sought court intervention against arbitration clauses even as reforms enhanced investor protections. Nonetheless, challenges remained proving fundamental unfairness given SEC-approved procedures—a paradox highlighted by commentators including Jill Gross.

Analysis and commentary

Gross identified a paradox wherein SEC approval of NASD rules complicates demonstrating fundamental unfairness under FAA standards. Professor C. Steven Bradford criticized lower courts’ anticipatory overrulings of Wilko following McMahon, observing they acted consistently with Supreme Court precedent despite scholarly disapproval.

Bradford faulted the Supreme Court majority for effectively overruling Wilko without providing clear guidance, thereby imposing burdens on litigants and courts. He advocated granting lower courts discretion to engage in anticipatory overruling where appropriate.

See also

External links