Law.com Subscribers SAVE 30%

Call 855-808-4530 or email [email protected] to receive your discount on a new subscription.

IP News

By Jeffrey Ginsberg and Matthew Weiss
May 01, 2021

Federal Circuit: The Doctrine of Equivalents Is Not a Binary Choice

On March 9, 2021, a Federal Circuit panel of Judges Newman, Moore, and Hughes issued a unanimous opinion, authored by Judge Moore, in Edgewell Personal Care Brands, LLC v. Munchkin, Inc., Case No. 2020-1203. The panel vacated the Central District of California's grant of summary judgment of noninfringement on one patent, reversed the judgment of noninfringement of a second patent, and remanded for further proceedings. Slip Op. at 13.

Edgewell Personal Care Brands, LLC and International Refills Company, Ltd. (Edgewell) sued Munchkin, Inc. (Munchkin) for infringement of U.S. Patent Nos. 8,899,420 (the '420 Patent) and 6,974,029 (the '029 Patent). Both the '420 and '029 patents are directed to improved cassette designs for Edgewell's Diaper Genie product, "which is a diaper pail system that has … (i) a pail for collection of soiled diapers; and (ii) a replaceable cassette that is placed inside the pail and forms a wrapper around the soiled diapers." Id. at 2. The accused products, "Munchkin's Second and Third Generation refill cassettes" were "marketed as being compatible with Edgewell's Diaper Genie" products. Id.

The '420 Patent claims a cassette with a "clearance" that "prevents users from installing [it] upside down." Id. at 3. At summary judgment, the parties' "dispute focused on whether the claims required a clearance space … when the cassette was installed." Id. at 4. The district court concluded that clearance "required space after cassette installation" and "[b]ased on that construction … granted Munchkin summary judgment of noninfringement." Id.

This premium content is locked for Entertainment Law & Finance subscribers only

  • Stay current on the latest information, rulings, regulations, and trends
  • Includes practical, must-have information on copyrights, royalties, AI, and more
  • Tap into expert guidance from top entertainment lawyers and experts

For enterprise-wide or corporate acess, please contact Customer Service at [email protected] or 877-256-2473

Read These Next
Strategy vs. Tactics: Two Sides of a Difficult Coin Image

With each successive large-scale cyber attack, it is slowly becoming clear that ransomware attacks are targeting the critical infrastructure of the most powerful country on the planet. Understanding the strategy, and tactics of our opponents, as well as the strategy and the tactics we implement as a response are vital to victory.

'Huguenot LLC v. Megalith Capital Group Fund I, L.P.': A Tutorial On Contract Liability for Real Estate Purchasers Image

In June 2024, the First Department decided Huguenot LLC v. Megalith Capital Group Fund I, L.P., which resolved a question of liability for a group of condominium apartment buyers and in so doing, touched on a wide range of issues about how contracts can obligate purchasers of real property.

The Article 8 Opt In Image

The Article 8 opt-in election adds an additional layer of complexity to the already labyrinthine rules governing perfection of security interests under the UCC. A lender that is unaware of the nuances created by the opt in (may find its security interest vulnerable to being primed by another party that has taken steps to perfect in a superior manner under the circumstances.

CoStar Wins Injunction for Breach-of-Contract Damages In CRE Database Access Lawsuit Image

Latham & Watkins helped the largest U.S. commercial real estate research company prevail in a breach-of-contract dispute in District of Columbia federal court.

Fresh Filings Image

Notable recent court filings in entertainment law.