Statute treatment: 20 C.F.R. § 726.203

Ranked leading cases interpreting this statute, drawn from 29 citation events across 16 distinct cases.

29citations total

16distinct interpreting cases

6distinct courts

7citations in last 5y

1974–2025year range

Top 13 leading cases

#1 National Independent Coal Operator's Ass'n v. Brennan (1974) dcd 28 own cites 2× in case

#2 Liberty Mutual Fire Insurance v. Woolman (2019) ca10 27 own cites 2× in case

#3 Lovilia Coal Company and Bituminous Casualty Corporation v. Verda M. Williams and Office of Workers' Compensation Programs (1998) ca7 13 own cites 3× in case

#4 RB&F Coal, Incorporated v. Deloris Mullins (2016) ca4 7 own cites 2× in case

#5 Keene v. Consolidation Coal Co. (2011) ca7 12 own cites 1× in case

#6 Clayton Coal Company, a Colorado Corporation v. Liberty Mutual Insurance Company, a Massachusetts Corporation (1979) ca10 5 own cites 2× in case

#7 Director, Office of Workers' Compensation Programs v. Forsyth Energy, Inc. (1981) ca7 8 own cites 3× in case

#8 Apogee Coal Company v. OWCP (2024) ca7 4 own cites 2× in case

#9 Karst Robbins Coal Co. v. OWCP (2020) ca6 8 own cites 1× in case

#10 National Independent Coal Operators Ass'n v. Old Republic Insurance (1982) vawd 2 own cites 3× in case

#11 Westmoreland Coal Co. v. Director, Office of Workers' Compensation Programs (2017) ca4 2 own cites 1× in case

#12 Director, Office of Workers' Compensation Programs v. Trace Fork Coal Co. (1995) ca4 3 own cites 1× in case

#13 Boyd & Stevenson Coal Co. v. Director, Office of Workers' Compensation Programs (2005) ca4 3 own cites 1× in case

Ranking method: leading_score = ln(1 + own_citation_count) × √(mentions_in_case) × flag_factor, where flag_factor = 1.0 green · 0.6 unknown · 0.5 neutral · 0.4 yellow · 0.3 procedural · 0 red. Red-flagged cases excluded — their interpretation has been undermined and shouldn't lead the list. Top 20 returned per statute. Open any case for full G Cite, trajectory, and per-circuit treatment.