- Amerigen Pharmaceuticals Limited v. Shire LLCRehearing deniedPTAB · Dec 28, 2016 · IPR2015-02009 · APJ Toni R Scheiner · IPR · Rehearing
The Board denied Amerigen’s rehearing request, leaving claims 1–3, 5, 8, 9, and 11 uninstituted because Mehta did not disclose the claimed release limitation.
RulingsRehearing decision- RehearingRehearing, deniedDenied
“STANDARD OF REVIEW When reconsidering a decision on institution, the Board reviews the decision for an abuse of discretion. See 37 C.F.R § 42.71(c). An abuse of discretion occurs if a decision is based on an erroneous interpretation of law, if a factual finding is not supported by substantial evidence, or if the decision represents an unreasonable judgment in weighing relevant factors. See Star Fruits S.N.C. v. United States, 393 F.3d 1277, 1281 (Fed. Cir. 2005); Arnold P’ship v. Dudas, 362 F.3d 1338, 1340 (Fed. Cir. 2004); In re Gartside, 203 F.3d 1305, 1315–16 (Fed. Cir. 2000). “The burden of showing that a decision should be modified lies with the party challenging the decision.” Office Patent Trial Practice Guide, 77 Fed. Reg. 48,756, 48,768 (Aug. 14, 2012). In its request for rehearing, the dissatisfied party must, in relevant part, “specifically identify all matters the party believes the Board misapprehended or overlooked.” 37 C.F.R. § 42.71(d); Office Patent Trial Practice Guide, 77 Fed. Reg. at 48,768. We address Amerigen’s arguments with these principles in mind.” slip op. at 2
- Novelty / Anticipation (§102) › Anticipation standard (single reference, every element)Not shown unpatentableNot shown unpatentable
“These arguments are not persuasive. First, Petitioner cites no authority for the proposition that a generic disclosure, such as that discussed above, is an express disclosure of every possible permutation of that generic disclosure. Second, even if we were to accept, for the sake of argument, that Mehta’s combined disclosures constitute an express disclosure of a composition capable of delayed release of “essentially all [of the drug] . . . within about 60 minutes,” non-instituted claims 1–3, 5, 8, 9, and 11 further require that the delayed release is enteric (i.e., the composition releases the second dose of the drug in the intestines, not the stomach). As we noted in the Decision, however, Mehta does not use the word “enteric,” nor does Mehta discuss delivery of the delayed dose to the intestines. Dec. 28. Nevertheless, we considered the possibility that Mehta might inherently disclose a composition that releases into the intestine not less than 80% of the second dose of the drug within about 60 minutes of the delayed release. Accordingly, we turned to Mehta’s Examples 1–5, but determined that not one of the exemplified delayed release compositions achieved a release of “essentially all” of the drug from a delayed release coating within about 60 minutes—regardless of whether the delay was long enough to be considered enteric.3 Id. at 24. As we noted in the Decision,” slip op. at 6
- Obviousness (§103) › Motivation to combine / reasonable expectation of successNot shown unpatentableNot shown unpatentable
“This argument is not persuasive. We considered, for example, Dr. Elder’s testimony that one of ordinary skill in the art would expect “that the number of variables and number of experimental runs to optimize the coating for the amphetamine would present no unusual problems of technology or expense” because one “can use statistical experimental design to optimize a formulation within the 21 trials that Mehta discloses to design one for amphetamine salts” (Ex. 1005 ¶ 471), as well as Dr. Elder’s testimony that one would expect “that routine optimization of the coating using the parameters identified by Mehta would provide enough guidance for controlling the release timing” (id. ¶ 512). Nevertheless, we found the actual results reported by Mehta to be more compelling. As we stated in the Decision: [N]one of Mehta’s delayed release formulations that could be considered to be enteric by virtue of their delay periods (i.e., those with delays of 4 or 5 hours) had release rates of “essentially all” of the drug anywhere near the required time period. Even if Mehta could be read to suggest that a delay of 4 or 5 hours followed by a release of essentially all of the delayed dose within 60 minutes would be desirable, we are not persuaded that Mehta’s disclosure that “the amount of drug released is influenced by: amount of coating, ratio of the two 4 Amerigen supported its challenges with the Declaration of Edmund J. Elder, Jr., Ph.D., R.Ph., executed September 30, 2015 (“Elder Declaration”) (Ex. 1005). polymers, amount of talc, and curing time” is adequate guidance for one of ordinary skill in the art to achieve such a dosage form. In general, Mehta demonstrates that longer delays are accompanied by longer release times, with formulations that could be considered to provide enteric release (i.e., a release after a 4 or 5 hour [delay]) having 85% release times of 8 or more hours. Dec. 33–34 (citing Ex. 1003, Table 1).” slip op. at 8
§ 102 anticipation§ 103 obviousness
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