The Term "Patent Thicket" Refers to

Multiple Choice

The term "patent thicket" refers to

A) genetic modification of trees.
B) the fact that many people are requesting genetic tests from their doctors as well as taking direct-to-consumer tests on the Web.
C) the backlog at the patent office.
D) the requirement for companies that offer genetic test panels to license every piece of DNA or gene that they put into kits.
E) the fact that the DNA sequence, exon pattern, SNP pattern, or gene expression pattern of a gene can be patented separately.