Some good e-news for corporate attorneys — in-house and outside counsel seem to be learning their e-discovery lessons, according to the latest Kroll Ontrack annual report on electronic discovery cases.

The learning curve is evident because the percentage of prominent cases that imposed sanctions on parties, which had been on the rise, actually declined 10 percent in 2012, according to Kroll. The number was 42 percent last year compared with 32 this year.