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| | Unpublished PTO Opinions |
 | | Unpublished Board opinions, except as they may be the "law of the case", may not be binding precedent, since the opinions are often fact driven by the specific facts present in the appeal before the Board. |
 | | An exception exists, of course, for those situations in which a party is asserting issues of claim preclusion, issue preclusion, judicial estoppel, law of the case or the like based on a decision of the Board rendered in a nonprecedential (i.e., unpublished or digest) decision. |
 | | Similarly controlling are decisions considered to be binding precedent by the Federal Circuit, i.e., decisions of the former Court of Claims and the former Court of Customs and Patent Appeals, as well as the former Customs Court. |
| www.piercelaw.edu /tfield/unpub.htm (5556 words) |
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