Interference No. 103,029 proven, clearly constitutes a communication under the case law of derivation. We are also mindful that an opposing party may delay, by various procedural maneuvers, a request for additional discovery or stipulations to make the time period between the opening of the preliminary statements and the filing of a request to amend a preliminary statement unduly long. We have no evidence that such a situation has occurred in this case. However, the fact that stipulations were filed, which the senior party states necessitated the request to amend the preliminary statement, blunts the opposition’s arguments based merely on the length of time that has passed after the preliminary statements have been opened or that certain witnesses have already been deposed. With these facts in mind, it is our conclusion, that Barnhouse was not negligent in preparing the original preliminary statement, and that due care was exercised in the preparation thereof. We further are of the view that even with the exercise of this due care, the omission of the claim 27Page: Previous 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 NextLast modified: November 3, 2007