The instant invention provides crystalline forms of
1-(3-chlorophenyl)-7-oxo-6-[4-(2-oxo-1
(2H)pyridinyl)phenyl]-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-car-
boxamide and its solvates thereof; processes for the production of such
crystalline forms; pharmaceutical compositions comprising such
crystalline forms; and methods of treating thromboembolic disorders with
such crystalline forms or such pharmaceutical compositions.