Robert Siman — 17 Patents at Cephalon

Robert Siman has been granted 17 US patents while listed as an inventor at Cephalon. The first was granted in 1993 and the most recent in September 2025. Robert Siman ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Robert Siman in Wilmington, DE, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12422433	Blood biomarker that predicts persistent cognitive dysfunction after concussion	—	2025-09-23
12085565	SNTF is a blood biomarker for the diagnosis and prognosis of sports-related concussion	—	2024-09-10
11761959	Blood biomarker that predicts persistent cognitive dysfunction after concussion	—	2023-09-19
9952214	SNTF is a blood biomarker for the diagnosis and prognosis of sports-related concussion	—	2018-04-24
7256252	Methods for detecting cell apoptosis	Donna Bozyczko-Coyne, Sheryl L. Meyer	2007-08-14	$25,457,000
6057143	Recombinant enzymatically active calpain expressed in a baculovirus system	Sheryl L. Meyer, Richard W. Scott	2000-05-02	$41,130,000
6048703	Methods for detecting cell apoptosis	Donna Bozyczko-Coyne, Sheryl L. Meyer, Ratan Bhat	2000-04-11	$27,921,000
5990083	Multicatalytic protease inhibitors	Mohamed Iqbal, James L. Diebold, Sankar Chatterjee, James C. Kauer	1999-11-23	$12,096,000
5871712	Methods for detecting calpain activation and identifying calpain inhibitors	—	1999-02-16	$5,161,000
5869336	Recombinant enzymatically active calpain expressed in a baculovirus system	Sheryl L. Meyer, Richard W. Scott	1999-02-09	$5,508,000
5830870	Multicatalytic protease inhibitors	Mohamed Iqbal, James L. Diebold, Sankar Chatterjee, James C. Kauer	1998-11-03	$4,771,000
5777194	Gene-targeted mice with humanized A.beta. sequence and Swedish FAD mutation	Richard W. Scott, Andrew G. Reaume, Stephen P. Trusko	1998-07-07	$1,815,000
5614649	Multicatalytic protease inhibitors	Mohamed Iqbal, James L. Diebold, Sankar Chatterjee, James C. Kauer	1997-03-25	$9,602,000
5550262	Multicatalytic protease inhibitors	Mohamed Iqbal, James L. Diebold, Sankar Chatterjee, James C. Kauer	1996-08-27	$8,065,000
5536639	Methods for detecting calpain activation by detection of calpain activated spectrin breakdown products	Donna Bozyczko-Coyne	1996-07-16	$7,678,000
5252463	Clipsin, a chymotrypsin-like protease and method of using same	Robert B. Nelson	1993-10-12	$10,430,000
5234814	Diagnostic assay for alzheimer's disease	John P. Card, Leonard G. Davis	1993-08-10	$9,732,000

Robert Siman — 17 Patents

Issued Patents All Time

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