37 CFR §41.128

1. (a)The Board may impose a sanction against a party for misconduct, including:
   1. (1)Failure to comply with an applicable rule or order in the proceeding;
   2. (2)Advancing a misleading or frivolous request for relief or argument; or
   3. (3)Engaging in dilatory tactics.
2. (b)Sanctions include entry of:
   1. (1)An order holding certain facts to have been established in the proceeding;
   2. (2)An order expunging, or precluding a party from filing, a paper;
   3. (3)An order precluding a party from presenting or contesting a particular issue;
   4. (4)An order precluding a party from requesting, obtaining, or opposing discovery;
   5. (5)An order excluding evidence;
   6. (6)An order awarding compensatory expenses, including attorney fees;
   7. (7)An order requiring terminal disclaimer of patent term; or
   8. (8)Judgment in the contested case.