Department of Health and Human Services) also has been active in several categories, especially gene-expression profiling and protein-protein interactions (Table 4-2). Table 4-2 shows the leading assignees of patents in the 12 categories described above and identified using the search algorithms set out in Appendix C.

TABLE 4-2 Principal Assignees of Patents by Category

 

Total Patents

Top Assignees

Genes and Gene Regulatory Sequences

6,145

U. California (188)

Pioneer Inc. (150)

Ludwig Inst. (72)

Monsanto (72)

Chiron Corp. (71)

General Hosp. (71)

SNPs and Haplotypes

1,482

Pioneer (183)

Dekalb Genetics (107)

Stine Seed Farm (48)

U. California (39)

John Hopkins (25)

Gene Expression Profiling

7,428

U. California (215)

Incyte (170)

Affymetrix (117)

Gen-Probe (100)

DHHS (96)

Protein Structure

39

Abbott Labs (3)

Connaught Labs (3)

U. California (3)

U. Alberta (3)

Protein-Protein Interactions

6,964

Genentech (181)

U. California (178)

DHHS (84)

Chiron (82)

Immunex (78)

Modified Animals

652

U. California (26)

General Hosp. (11)

Pharming BV (10)

Abgenix Inc. (9)

Software

60

Millennium (8)

Rosetta (4)

Pioneer Hi-Bred (3)



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