According to the classification of S. L. Ptashitsky, the 11th copy book of the "Court Cases" of the Lithuanian Metric is now stored in Moscow in the Russian State Archive of Ancient Acts. It was rewritten from the original by an unknown clerk in the last years of the 16th century. and is the second published book of the voivodship court of Jan Yuryevich Glebovich. In this, the 11th book of the KSD, all cases are decided by Yan Yuryevich Glebovich when he was already governor of Vilnius. Although chronologically the book covers only 6 months and 8 days (from May 18 to October 26, 1542), however, the documents inscribed in it help to reveal the mechanism of functioning of the voivodship court in the early pre-reform period.