abstract game of tag played on a grid with plastic chips. players must reach four goal spaces along the edges of the play area while avoiding the "chaser." The chaser can only chase until he catches another player. Movement is done by 2d6 where one die moves in one direction and the other in another direction at 90 degrees. ----On Wednesday, August 18, 1993, a trademark application was filed for MARK 4 with the United States Patent and Trademark Office. The USPTO has given the MARK 4 trademark a serial number of 74425695. The federal status of this trademark filing is ABANDONED - FAILURE TO RESPOND OR LATE RESPONSE as of Wednesday, September 25, 1996. This trademark is owned by Kuz, Inc. The MARK 4 trademark is filed in the Toys & Sporting Goods Products category with the following description: board games.