The dispute over who controls the Panama Canal’s two flagship terminals just added a new defendant. On Tuesday, the Panama Ports Company — the operating subsidiary of Hong Kong conglomerate CK Hutchison Holdings — filed arbitration proceedings in London against Danish shipping and logistics giant Maersk, accusing the company of deliberately engineering its own removal from the Balboa and Cristobal terminals. It is the most direct corporate escalation yet in a conflict that has quietly become one of the most consequential infrastructure battles in global trade. Three Fronts, One Waterway The filing against Maersk is not a standalone event — it is the third prong of a legal strategy that began unraveling in February, when Panama’s Supreme Court invalidated the long-standing concession that had given CK Hutchison control over both terminals. Panama’s government moved swiftly: it seized operational control of Balboa and Cristobal, then handed the keys to APM Terminals — a Maersk subsidiary — at Balboa, and Terminal Investment Limited, controlled by Mediterranean Shipping Company, at Cristobal. Panama Ports Company had already launched arbitration against the Panamanian government in February. By late March, it expanded that claim to over $2 billion in damages, citing what it described as unlawful and anti-investor conduct by the state. Tuesday’s claim against Maersk is formally separate — focused not on Panama’s sovereign actions, but on alleged corporate misconduct: specifically, that Maersk actively worked to undermine PPC’s contractual position in order to position its own affiliated operator as a replacement. Maersk has rejected the allegations, stating it does not believe it bears any liability and will respond through appropriate legal channels. Neither Panama’s government nor Maersk offered further comment. Why This Escalation Changes the Stakes What makes Tuesday’s arbitration filing analytically significant is what it signals about CK Hutchison’s broader posture. The company is no longer simply defending its prior position — it is going on offense against a commercial rival, threading a case that, if it gains traction in London arbitration, could rewrite how international port concessions are contested when geopolitics overrides contract law. The Panama Canal handles roughly 40% of U.S. container traffic and approximately 5% of global trade volumes. The Balboa terminal, at the Pacific entrance, is one of the hemisphere’s busiest transshipment hubs. Control of that chokepoint carries commercial weight that extends far beyond the companies directly involved. There is also the question of timing. The legal escalation lands at a particularly fragile moment for the broader deal structure that was supposed to resolve the dispute cleanly. In March 2025, CK Hutchison announced plans to sell a large portion of its global port portfolio — including the two Panama terminals — to a consortium anchored by U.S. investment firm BlackRock, in a deal valued at $23 billion. That transaction had explicit strategic backing from Washington, aligning with President Trump’s longstanding position that Chinese-linked entities should not control key infrastructure along the canal. The Deal That Won’t Close The $23 billion BlackRock-led acquisition has not closed, and the new legal proceedings make a clean resolution harder to map. Beijing, which had made its displeasure with the sale unmistakable, prompted China’s antitrust regulator to announce a formal review of the transaction shortly after it was announced. The parties have since been navigating a workaround that reportedly involves incorporating a Chinese investor into the consortium — an attempt to thread a needle between U.S. strategic interest and Chinese regulatory approval. That already delicate negotiation now faces a fresh complication. With active arbitration proceedings running against both Panama and Maersk, CK Hutchison’s legal team has constructed a framework in which the company is simultaneously pursuing bilateral recovery while attempting to divest the underlying assets. That creates contractual ambiguity: who assumes liability for the arbitration claims if the sale does close? And does the existence of those claims alter the valuation the consortium is willing to accept? The Geopolitical Overhang This is not purely a commercial dispute. The Panama Canal has been one of the most politically charged infrastructure flashpoints of the past year. The U.S. has repeatedly accused China of exerting influence over canal operations through CK Hutchison’s historic concession — allegations Beijing has dismissed as fabricated, and which CK Hutchison itself has pushed back against. More recently, the U.S. reiterated accusations that China had detained Panama-flagged ships in response to the port takeover, claims that Beijing flatly denied. That backdrop elevates what would otherwise be a routine commercial arbitration into a test of something larger: whether international investment protections and contract law can hold their ground when great-power politics rewrites the local rules. PPC’s claim against Panama was always going to be a slow-burning legal process. The direct targeting of Maersk accelerates the timeline — and introduces a deep-pocketed corporate counterparty into arbitration proceedings that Panama could, in theory, outlast through political attrition. The Outlook: A Long Game With Short-Term Noise London arbitration proceedings of this magnitude typically resolve over years, not months. The immediate commercial impact on global shipping routes is minimal — Maersk and MSC continue to operate the terminals, and the canal itself remains open following the recent Iran-related Strait of Hormuz truce that has dominated energy market headlines. But the arbitration filings collectively establish a legal architecture that will shadow any future change of control at these terminals. For institutional investors, the most pressing variable is what happens to the BlackRock deal. A clean close would provide CK Hutchison with an exit and relieve the geopolitical pressure — but it requires Chinese regulatory clearance, a revised consortium structure, and now, clarity on how arbitration claims are handled post-sale. Each element is conditionally dependent on the others. Until that knot loosens, the canal’s ownership question remains one of the most consequential unresolved infrastructure disputes in global trade — and Tuesday’s filing against Maersk ensures it will not quietly fade from the legal docket anytime soon. Post navigation Marks & Spencer to ditch plastic bags in all stores