Jessica Litman, a law professor at Michigan's Wayne State University, has specialized in copyright law and Internet law for more than 20 years.
 Jessica Litman has specialized in copyright law and Internet law for less than 10 years.
( z1 specialize :ARG0 ( z2 person :name ( z3 name :op "Jessica" :op "Litman" ) ) :ARG1 ( z4 and :op ( z5 law :topic ( z6 copyright ) ) :op ( z7 law :topic ( z8 internet ) ) ) :duration ( z9 less-than :op ( z10 temporal-quantity :quant 10 :unit ( z11 year ) ) ) )