C
Top Rated
Catherine O'Sullivan
O'Sullivan Workers' Law MA
Boston, Massachusetts · Permanent Disability
4.6/5.0
(235 reviews)
Avvo 9.3
About Catherine O'Sullivan
Catherine O'Sullivan is Boston's premier workers comp attorney. MA Lawyers Weekly Top Verdicts 6 years running.
Practice Areas
- ✓ Workers' Compensation Claims
- ✓ Permanent Disability
- ✓ Insurance Dispute Resolution
- ✓ Permanent Disability Ratings
- ✓ Appeals & Hearings
- ✓ Settlement Negotiation
At a Glance
26 yrs
Experience
423
Reviews
4.9/5
Rating
$0
Upfront Cost
Frequently Asked Questions
How much does it cost to hire Catherine?
Workers' comp attorneys work on contingency — you pay nothing unless you win. There are no upfront fees or hourly charges.
How long will my case take?
Simple claims may resolve in 3–6 months. Complex permanent disability or appeals cases can take 1–3 years.
What if my claim was already denied?
A denial is not the end. Catherine regularly overturns denied claims on appeal. Contact the office immediately.
Do I need to report my injury first?
Yes — report your injury in writing to your employer as soon as possible. Delays can be used against you.
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