Plaintiff v. AIG Israel Insurance Company Ltd. — Supreme Court allows insurer to amend defense mid-litigation to challenge disability claim

Case
Plaintiff v. AIG Israel Insurance Company Ltd. (Plaintiff v. איי אי ג’י ישראל חברה לביטוח בע”מ)
Court
Supreme Court of Israel (בית המשפט העליון)
Judge
רות רונן (Isaac Herzog, upon selection by the Judicial Selection Committee, 2022)
Date Decided
19 July 2026
Citation
Appeal (רע”א) 49756-05-26
Topics
Insurance law, disability claims, procedural amendments, fraud allegations

Background

The plaintiff purchased a disability insurance policy from AIG Israel Insurance Company, which provided for payment of 4 million NIS if the insured sustained permanent disability of 75% or more resulting in total incapacity to engage in any occupation. The policy took effect on 19 February 2020 and was expanded on 11 March 2020 to increase coverage from 3 million to 4 million NIS. The plaintiff developed an eye disease beginning in March 2020 and was diagnosed in May 2020. He claimed total work incapacity and demanded the full 4 million NIS in insurance benefits.

The insurer denied the claim on 22 November 2021, alleging that the plaintiff had concealed his medical condition when purchasing the policy, intending to defraud the insurer. The plaintiff sued on 19 December 2022. He submitted expert opinions from the National Insurance Institute and medical experts establishing his 100% work incapacity. The insurer initially maintained its fraud allegation but on 1 December 2024 submitted two additional expert opinions supporting its defense: one medical opinion addressing the eye condition, and an occupational health opinion from Dr. Tamir concluding the plaintiff did not meet the policy’s definition of disability. Both opined that the disease began before the policy took effect and the plaintiff should have known about it then.

The lower court had previously ruled that the sole disputed issue was whether the plaintiff knew of his condition when purchasing the policy, and reversed the burden of proof accordingly. On 20 January 2026, three years into litigation and after surveillance videos emerged, the insurer sought to file a revised occupational opinion from Dr. Tamir taking a contrary position—that the plaintiff does not satisfy the policy’s occupational disability requirement. The plaintiff opposed, arguing the amendment came too late, opened a new front, and constituted bad faith procedural manipulation.

The Court’s Holding

Justice Ruth Ronen denied the plaintiff’s appeal of the lower court’s decision to permit the amendment. The Supreme Court held that while procedural amendments are generally within the trial court’s discretion and appellate courts rarely intervene except in exceptional cases, the proper standard requires courts to balance multiple factors: the amendment’s contribution to resolving the true dispute; the procedural stage at which it is filed; the impact on litigation efficiency; the amending party’s conduct and good faith; the compensability of resulting harm through costs awards; the opposing party’s interest in preventing unnecessary expansion of dispute; and the public interest in efficient proceedings.

Applying this balancing test, the Court found the amendment warranted approval. Most significantly, the revised opinion goes to the root of the insurer’s liability under the policy—whether the plaintiff meets the definition of disability at all. This substantive importance heavily favors permitting the amendment. Although the delay was problematic and caused procedural disruption, the amendment was filed at a pre-trial stage before evidence hearings commenced, and the plaintiff retained the ability to submit his own counter-expert opinion. The Court found no irreparable harm beyond what could be remedied through a costs award. Accordingly, the lower court properly exercised its discretion. The Court affirmed the lower court’s award of 15,000 NIS to the plaintiff for litigation damages caused by the procedural irregularity and directed that additional costs consider the insurer’s overall conduct if its allegations ultimately prove baseless.

Key Takeaways

  • Insurance companies may amend defenses mid-litigation to challenge core policy obligations, even after significant delay, if the amendment addresses substantive liability and procedural protections remain available to the opposing party.
  • The substantive importance of an amendment—whether it goes to the heart of liability—is a weightier consideration than procedural inconvenience when balancing whether to allow it.
  • Allegations of policyholder fraud or misrepresentation may justify departing from the ordinary rule that all grounds for denial must be stated in the initial rejection letter, even absent an explicit prior disclosure.
  • Trial courts retain substantial discretion in permitting amendments, and appellate intervention is limited to exceptional cases where the decision defies law, exceeds reasonable bounds, or causes injustice.

Why It Matters

This decision clarifies the Israeli Supreme Court’s approach to amendment requests in civil litigation, particularly in insurance disputes where fraud allegations surface during the case. It establishes that procedural efficiency and finality of pleadings do not automatically trump a party’s opportunity to present evidence that defeats the opposing party’s core claim. The ruling balances protection against dilatory tactics and surprise amendments with the fundamental fairness principle that substantive justice should not be sacrificed to rigid procedural timelines when adequate remedies exist. For insurance practitioners, it signals that evidence of policyholder misconduct discovered during surveillance or investigation may support late amendments challenging policy compliance, even if the initial denial relied solely on fraud allegations.

The decision also reflects modern Israeli civil procedure, which since the 2018 Civil Procedure Rules took effect has required stricter scrutiny of amendment requests to promote efficiency. However, the Court demonstrated that this efficiency mandate does not eliminate discretion to permit amendments that address the heart of a dispute, provided compensatory measures and procedural safeguards protect the opposing party. The award of partial damages to the plaintiff signals that while the amendment was permissible, the insurer’s delay and prior procedural positions will not escape cost consequences in the final judgment.

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