This piece discusses notable intellectual property decisions in 2010 in the United States. Viewed across doctrinal lines, some interesting threads emerge. The scope of protection was at issue in each area, such as whether human genes and business methods are patentable, whether a product idea may be a trade secret, and where the constitutional limits on copyright legislation lie. Secondary liability remains widely litigated, as rights holders seek both deep pocket defendants and a means to cut off individual infringers. The courts applied slightly different standards as to the state of mind required for secondary liability. Many of the cases involved disputes between hiring and hired parties, over the ownership of intellectual property righ...