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The authors criticize a misunderstanding of interference practice contained in the board’s opinion in Mylan Pharmaceuticals Inc. v. St. Regis Mohawk Tribe.
By Charles L. Gholz and Christopher Ricciuti
Charles L. Gholz is senior counsel in Oblon, McClelland, Maier & Neustadt LLP in Alexandria, Va. He can be reached at 703-412-6485 or firstname.lastname@example.org.
Christopher Ricciuti is an associate in Oblon, McClelland, Maier & Neustadt LLP in Alexandria, Va. He can be reached at 703-412-3527 or email@example.com.
The views expressed herein are those of the authors and are not necessarily shared by their employer or its clients.
Footnote 5 of the Patent Trial and Appeal Board’s per curiam opinion in Mylan Pharmaceuticals Inc. v. St. Regis Mohawk Tribe (Feb. 23, 2018) (panel consisting of Administrative Patent Judges Sheridan K. Snedden, Tina E. Hulse, and Christopher G. Paulraj) reads as follows:
However, the panel’s purported distinction between inter partes reviews (IPRs) and interferences is based on a misunderstanding of interference practice. As is well known (both by the remaining members of the interference bar and the remaining APJs who used to be members of the interference section of the board), the majority of “contested interference proceedings” terminate at the end of the first phase (i.e., what used to be called “the motions period”) based on the panels’ assessments of “the patentable scope” of the parties’ claims.
That is, the majority of interferences (whether or not “contested” in the sense that both or all parties to the interferences as declared litigate to the bitter end) terminate at the end of the first phase in a judgment that the claims of one, both, or all parties are unpatentable over prior art, for lack of 35 U.S.C. § 112, ¶ 1, support, or on any other ground available to a party defending a charge of patent infringement in a federal district court. Accordingly, the majority of interferences do not involve either: (1) the determination of conception dates, actual reduction to practice dates, or diligence dates; or (2) the determination of whether or not one party derived the claimed subject matter from the other — which are the two types of issues traditionally determined in the second phase of interferences.
The claims held unpatentable in interferences are, of course, not always in “previously granted patents.” However, modern interference practice before the board (in contrast to the rare patent-patent interferences under 35 U.S.C. § 291, which are conducted in federal district courts) makes no distinction between interferences involving only applications and interferences involving at least one application and at least one patent. Accordingly, we don’t think that the members of the panel in Mylan were trying to draw a distinction between application-application interferences before the board and application-patent interferences before the board.
The Mylan panel’s misunderstanding of interferences as being “necessarily” priority proceedings is, unfortunately, common. The senior author of this article levied the same criticism against an academic article in Gholz and Pereira, Straddle Interferences, 95 PTCJ 593 (March 16, 2018). Moreover, we are aware of no published statistical support for our contention that the majority of interferences before the board that are litigated to judgment are terminated by judgments based on traditional patentability issues (as opposed to being terminated based on determinations of entitlement to invention dates prior to filing dates).
Accordingly, we have generated the table appearing on the facing page, based on the 50 most recent judgments entered by the board in interferences litigated to judgment. (Note that a large percentage of interferences are terminated by judgments entered pursuant to settlements between or among the parties, followed either by formal requests for entry of adverse judgments or other papers which the board treats as the equivalent of requests for entry of adverse judgments. Those judgments are not represented in our table.)
As shown below and in the table, nearly 80 percent of interferences litigated to judgment end at the first phase of the proceeding without an actual priority determination.
And, although the exact percentage of interferences litigated to judgment without determinations of either pre-filing invention dates or derivation no doubt varies from year to year, we believe that the general proposition that they have long been in the majority is unassailable.
The Mylan panel reached its decision that tribal immunity does not apply to IPR proceedings, reasoning as follows:
Moreover, we applaud the panel’s leaving of this issue for another day. It is always prudent for a judicial body to decide only what the litigation before it requires it to decide.
Because there are still a number of APJs who are extremely knowledgeable concerning interference law and practice, if the members of the Mylan panel felt compelled to say something about interference practice, why didn’t they discuss their draft with one of them before hitting the send button? Doing so might have led to a substantial revision of Footnote 5.
Copyright © 2018 The Bureau of National Affairs, Inc. All Rights Reserved.
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