Rotten Company

Daiichi Sankyo Company, Limited

Approved Evidence

Added to Rotten Company: 9/1/2026
Conduct/Event period: 1991–February 1999
Ongoing: No
Resolution status: Resolved
Resolution date: September 9, 1999
misconduct

Daiichi Sankyo predecessor agreed to plead guilty to vitamin B5 price fixing

Summary

On September 9, 1999, Daiichi Pharmaceutical Co., Ltd., a predecessor that later combined with Sankyo to form Daiichi Sankyo, agreed to plead guilty and pay a $25 million criminal fine for fixing prices and allocating sales of vitamin B5. DOJ said the collusion ran from early 1991 into February 1999. The announcement states that sentencing and court acceptance of the plea agreement were still required. Primary source: https://www.justice.gov/archive/opa/pr/1999/September/404at.htm ; corporate history: https://www.daiichisankyo.com/about_us/mission-strength/history/

Evidence Weight
97.47
Severity: high
Recency Weight: 97.47404188818176
File Weight: 1
Added to Rotten Company: 9/1/2026
Conduct/Event period: January 2004–March 31, 2011
Ongoing: No
Resolution status: Resolved
Resolution date: January 9, 2015
misconduct

Daiichi Sankyo U.S. subsidiary paid $39 million to settle physician-kickback allegations

Summary

On January 9, 2015, Daiichi Sankyo, Inc., the U.S. subsidiary of Daiichi Sankyo Company, Limited, agreed to pay $39 million to resolve False Claims Act allegations that speaker fees, meals and honoraria were used as kickbacks to induce prescribing. DOJ described programs running from January 2004 through March 2011. DOJ expressly states that the claims were allegations only and there was no determination of liability. Primary source: https://www.justice.gov/archives/opa/pr/daiichi-sankyo-inc-agrees-pay-39-million-settle-kickback-allegations-under-false-claims-act ; subsidiary relationship: https://www.daiichisankyo.com/media/press_release/detail/index_3903.html

Evidence Weight
97.47
Severity: high
Recency Weight: 97.47116452601155
File Weight: 1