It has been a hectic week for those of us following the various twists and turns involving generic versions of Pfizer’s high blood pressure drug NORVASC (amlodipine besylate) Tablets and the availability and applicability of both 180-day generic drug exclusivity and pediatric exclusivity with respect …
On April 20, 2007, Arnold & Porter submitted a citizen petition and a petition for stay of action on behalf of Medicis Pharmaceutical Corp. asking FDA to change the Agency’s policy with respect to Hatch-Waxman patent and exclusivity benefits for combination drugs containing a so-called …
On April 18, 2007, Analysis Group, Inc. announced the release of a report assessing the effects of the market entry of authorized generics on paragraph IV patent certifications. FDA has described an authorized generic as “[a]ny marketing by an NDA holder or authorized by an …
Earlier today, FDA issued its decision with respect to amlodipine generics and the applicability of Mylan’s 180-day exclusivity and Pfizer’s pediatric exclusivity. The U.S. District Court for the District of Columbia in Mylan v. Leavitt had ordered FDA to respond to Mylan’s TRO motion by …
Last week, we reported on several citizen petitions submitted to FDA by Mylan and Pfizer concerning the availability and applicability of 180-day exclusivity and pediatric exclusivity to amlodipine drug products. FDA has also established a separate docket to solicit the views of interested parties on …
The Federal Circuit’s March 22, 2007 decision invalidating Pfizer’s patent on NORVASC (amlodipine besylate), and Mylan’s commercial launch of its generic version approved under ANDA #76-418 later that day triggering the company’s 180-day exclusivity period has set off a flurry of activity, both in the …
As the backlog of pre-Medicare Modernization Act (“MMA”) ANDAs is cleared and disputes over 180-day exclusivity under the old statutory regime become a vestige of the past, new post-MMA disputes over 180-day exclusivity will certainly take their place, particularly as they concern forfeiture. Indeed, within …
FDA’s highly anticipated PDUFA IV proposal, if enacted by Congress, would eliminate any possibility that a 505(b)(2) application might not be an application subject to PDUFA user fees. Among various technical changes included in the Agency’s PDUFA IV proposal, FDA recommends that Congress “[s]implify the …
In Late February 2007, FDA announced in the Federal Register the withdrawal of approval of 128 suitability petitions in accordance with the Pediatric Research Equity Act of 2003 (“PREA”). FDA’s notice states: [T]hese approval decisions are being withdrawn because ANDAs were never submitted and PREA requires …
