If at any time subsequent to the date hereof, any provision of this Agreement shall be held by any court of competent jurisdiction to be illegal, void or unenforceable, such provision shall be of no force and effect (provided that, should a court determine that any provision of this Agreement, including, without limitation, those contained in Section 5(b) or Section 5(d) of this Agreement, is not reasonable or valid, in period of time, geographical area, or otherwise, such provision shall be interpreted and enforced to the maximum extent which such court deems reasonable or valid), but the illegality or unenforceability of such provision shall have no effect upon the legality or enforceability of any other provision of this Agreement.