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Benchmarks / Procedure

Limitations Arithmetic

The limitations period and the trigger date are stated in the prompt; the model must do the date math (including leap years and discovery-rule triggers) and say whether filing was timely. Isolates reasoning from jurisdiction-specific memorization.

system: "You are a careful U.S. lawyer taking a graded exam. Answer with exactly one word: TIMELY or UNTIMELY."

Items (8)

  1. 1.
    Assume a two-year limitations period running from the date of injury. Injury occurred on March 10, 2022. Suit was filed on March 9, 2024. Is the suit timely?
    gold: TIMELY
  2. 2.
    Assume a two-year limitations period running from the date of injury. Injury occurred on March 10, 2022. Suit was filed on March 11, 2024. Is the suit timely?
    gold: UNTIMELY
  3. 3.
    Assume a four-year limitations period for breach of a written contract, running from the date of breach. Breach occurred on July 1, 2020. Suit was filed on June 30, 2024. Is the suit timely?
    gold: TIMELY
  4. 4.
    Assume a one-year limitations period running from the date plaintiff discovered (or reasonably should have discovered) the injury. The injury occurred on January 5, 2021, but plaintiff did not and could not reasonably have discovered it until November 20, 2022. Suit was filed on October 1, 2023. Is the suit timely?
    gold: TIMELY
  5. 5.
    Assume a three-year limitations period running from the date of injury, with no discovery rule. Injury occurred on February 29, 2020. Suit was filed on March 1, 2023. Is the suit timely?
    gold: UNTIMELY
  6. 6.
    Assume a three-year limitations period running from the date of injury. Injury occurred on February 29, 2020. Suit was filed on February 28, 2023. Is the suit timely?
    gold: TIMELY
  7. 7.
    Assume a two-year limitations period running from accrual, and that the period was tolled for exactly 90 days while defendant was out of the jurisdiction. Accrual: May 1, 2021. Suit filed: August 15, 2023. Is the suit timely?
    gold: UNTIMELY
  8. 8.
    Assume a two-year limitations period running from accrual, and that the period was tolled for exactly 90 days while defendant was out of the jurisdiction. Accrual: May 1, 2021. Suit filed: July 15, 2023. Is the suit timely?
    gold: TIMELY