MEXICO Law and Practice Contributed by: Carlos de la Garza, Raúl Acosta and Enrique Tamez, De la Garza & Acosta Abogados, S.C.
1.2 Role of Policy Wording and Drafting Importance of Clear and Consistent Wording Policy wording is a significant source of insurance dis- putes in Mexico, particularly because most policies are standard-form contracts. Courts therefore tend to scrutinise exclusions and limitations closely, espe- cially where their wording is ambiguous, overly broad or inconsistent with the specific coverage described in the policy. Drafting alone, however, is not sufficient. Insurers must also be able to demonstrate that the policy- holder received, or had effective access to, the gen- eral conditions containing the relevant exclusions and limitations. Failure to establish proper delivery may prevent an insurer from relying on an otherwise valid exclusion. Recurring Areas of Contention Disputes frequently concern exclusions, definitions of covered risks, deductibles and co-insurance, policy limits and conditions precedent to coverage. In life and health insurance, particular attention is given to definitions of pre-existing conditions, waiting periods and the distinction between accidents, illnesses and degenerative conditions. In liability and property policies, disagreements com- monly arise over causation, the scope of covered damages and the relationship between general condi- tions, endorsements and specific policy terms. Careful co-ordination between these documents is therefore essential, as inconsistencies may materially affect the insurer’s ability to rely on contractual limitations in litigation. 1.3 Dispute Resolution Strategy and Outcomes Early Assessment and Settlement Insurers generally benefit from an early assessment of coverage, documentary evidence and potential exposure before a dispute escalates. Where the disa- greement concerns quantum rather than coverage, or where factual or evidentiary uncertainty is significant, early negotiation may substantially reduce legal and expert costs and avoid prolonged proceedings.
Policyholders also frequently pursue pre-litigation complaints before the insurer’s specialised customer service unit (UNE) or the National Commission for the Protection and Defence of Financial Services Users (CONDUSEF). In addition to preserving applicable limitation periods, these proceedings may be used to obtain a formal response from the insurer and increase settlement pressure before litigation is commenced. Settlement is not always commercially appropriate, however. Insurers may prefer to defend claims involv- ing important coverage principles, recurring policy wording or claims that could encourage similar liti- gation if routinely settled. Policyholders, particularly those represented by claimant-side counsel, may conversely seek to increase settlement pressure by combining contractual claims with claims for moral or punitive damages, sometimes seeking amounts substantially exceeding the underlying policy benefits. Formal Proceedings Where settlement is not feasible, insurance disputes are commonly resolved through commercial or civil proceedings. Outcomes increasingly depend on the quality of the contemporaneous claims file and, in technically complex cases, on expert evidence in fields such as medicine, engineering, accounting or actuarial science. Formal proceedings can become lengthy and expen- sive, particularly where judgments are challenged through appeals or constitutional amparo proceed- ings. Legal costs may therefore become dispropor- tionate to the original amount in dispute, while statu- tory cost awards do not necessarily compensate the successful party for its actual expenditure. Strategic Impact The most effective strategy is consequently not deter- mined solely by the amount claimed. Insurers increas- ingly assess the strength of the coverage position, evi- dentiary risk, potential reputational and precedential effects, and the risk of additional claims for moral or punitive damages before deciding whether to settle or litigate. Early technical and legal analysis, together with a well-documented claims decision, can materi- ally improve both settlement leverage and litigation outcomes.
177 I NSURANCE L I T IGATI O N 2026
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