Massachusettsworkers' comp filing deadline
For injuries on/after 1986-01-01: claim must be filed with insurer within 4 years from date employee becomes aware of causal connection between disability and employment (§41)
Talk to a workers' comp attorney in Massachusetts.
Free, confidential consultation. Statute-of-limitations rules have many exceptions — a lawyer can confirm your specific deadline.
Notice to employer
Notice 'as soon as practicable after the happening' of the injury (§41). Want of notice does not bar proceedings unless insurer was prejudiced (§44).
Filing with the state
For injuries on/after 1986-01-01: claim must be filed with insurer within 4 years from date employee becomes aware of causal connection between disability and employment (§41)
Compute your Massachusetts deadline
Pick your state, your injury type, and the trigger date. We'll show notice + filing deadlines.
Exceptions and tolling
Statute-of-limitations rules have many exceptions that can extend or pause the clock. The most common in Massachusetts:
Occupational disease — Discovery rule
Statute itself codifies discovery rule — clock runs from awareness of causal connection between disability and employment.
Death claim deadline
Survivors filing for death benefits typically have 4 years from date of death. This calculator does not yet handle death claims; consult a lawyer for those.
Attribution
- Last verified
- May 4, 2026
- Editorial review
- Statute linked to primary source