Nevertheless, the PTO does permit the applicant to submit drawings of multiple embodiments in an application, and specifi¬cally condones the practice of prophetically disclaiming portions of the claimed design to provide antecedent basis for later filings or amendments.16 Thus, for critical designs, it may be helpful and cost effective to supplement the original filing with a written explanation and an abbreviated or informal set of additional drawings to provide support for variations… [read post]