直 Japanese PDF Font
  • Our Professionals
  • Our Work
  • Our Insights
  • Offices
  • Firm
  • Careers
Finnegan
  • Articles & Books
    • Ad Law Buzz Blog
    • At the PTAB Blog
    • European IP Blog
    • Federal Circuit IP Blog
    • INCONTESTABLE® Blog
    • Prosecution First Blog
  • Events & Webinars
  • IP Updates
  • Podcasts
    • AI + Finnegan
    • AI + Copyright
    • AI + Patent
    • AI + Privacy
    • AI + Trade Secrets
    • AI + Trademark
  • Unified Patent Court (UPC) Hub

Federal Circuit IP Blog

Clarifying Pleading Requirements for Patent Cases

August 2, 2021

Authored and Edited by Megan L. Meyers; Sydney R. Kestle; Elizabeth D. Ferrill

In Bot M8 LLC v. Sony Corporation of America, et al., No. 2020-2218 (Fed. Cir. July 13, 2021), the Federal Circuit affirmed the district court’s dismissal of Bot M8’s claims as to the ’540 and ’990 patents for failure to state a plausible claim of infringement. The Court also agreed with the district court that claim 1 of the ’363 patent was invalid under 35 U.S.C. § 101. With respect to the remaining ’988 and ’670 patents, however, the Court reversed and remanded the district court’s decision finding that Bot M8’s infringement allegations were insufficient.

Bot M8 filed suit against Sony and others in the Southern District of New York, asserting six patents relating to gaming machines and casino, arcade, and video games. That case was transferred to the Northern District of California, where the court “directed” Bot M8 to file an amended complaint specifying “every element of every claim that you say is infringed and/or explain why it can’t be done,” and to purchase and reverse engineer the accused products, if possible. Bot M8 accordingly filed a 223-page first amended complaint, which Sony moved to dismiss.

The district court granted Sony’s motion to dismiss as to four of the asserted patents and denied Bot M8’s motion for leave to file a second amended complaint. It reasoned that Bot M8’s allegations “too closely track[] the claim language to be entitled to the presumption of truth” and “[n]o underlying allegations of fact are offered.” The district court also granted Sony’s summary judgment motion that claim 1 of a fifth patent was invalid under § 101. The parties then entered into joint stipulations dismissing the remaining claims without prejudice, while Bot M8 reserved the right to appeal from the district court’s decisions.

On appeal, the Federal Circuit clarified the pleading requirements for patent infringement cases. It reiterated that “[t]hreadbare recitals of the elements of a cause of action, supported by mere conclusory statements, do not suffice.” But it disagreed with the district court’s instruction that a complaint must “explain . . . every element of every claim that you say is infringed and/or explain why it can’t be done.” The Court explained that a plaintiff need not “prove its case at the pleadings stage” and is not required to plead infringement on an element-by-element basis. It held that, while a formulaic recitation of the elements would not be acceptable, to the extent the district court adopted a blanket element-by-element pleading standard for patent infringement, that approach is unsupported and goes beyond what the Supreme Court articulated in Iqbal and Twombly. The Court explained that it is enough “that a complaint place the alleged infringer on notice of what activity . . . is being accused of infringement.” Finally, the Court outlined several factors that would influence the level of detail required for a complaint in a given case, such as (1) the complexity of the technology, (2) the materiality of an element to practicing the asserted claim(s), and (3) the nature of the allegedly infringing device. Applying this clarified standard, the Court found Bot M8’s allegations regarding the ’988 and ’670 patents sufficient to survive a motion to dismiss.

Tags

motion to dismiss, United States Court of Appeals for the Federal Circuit (CAFC), patentable subject matter, infringement

For more information

  • Bot M8 LLC v. Sony Corporation of America

Related Practices

Appeals, Issues, and Legal Strategy

Federal Circuit and Supreme Court Appeals

Related Industries

AI, Electronics, and Information Technology

Electronic Devices and Components

Gaming

Related Offices

Washington, DC

Contacts

Megan L. Meyers
Associate
Atlanta, GA
+1 404 653 6565
Email
Sydney R. Kestle
Partner
Washington, DC
+1 202 408 4241
Email
Elizabeth D. Ferrill
Partner
Washington, DC
+1 202 408 4445
Email

Copyright © 2021 Finnegan, Henderson, Farabow, Garrett & Dunner, LLP. 


DISCLAIMER: Although we wish to hear from you, information exchanged in this blog cannot and does not create an attorney-client relationship. Please do not post any information that you consider to be personal or confidential. If you wish for Finnegan, Henderson, Farabow, Garrett & Dunner, LLP to consider representing you, in order to establish an attorney-client relationship you must first enter a written representation agreement with Finnegan. Contact us for additional information. One of our lawyers will be happy to discuss the possibility of representation with you. Additional disclaimer information.

Related Insights

Conference

7th International Conference on Biofuels and Bioenergy

June 25-26, 2026

Edinburgh

Conference

IPBC Global 2026

June 15-17, 2026

San Diego

Conference

17th Summit on Biosimilars & Innovator Biologics

June 2-3, 2026

New York

Articles

Colorado Replaces Landmark AI Act: An Overview of the New SB 26-189 Framework

May 26, 2026

At the PTAB Blog

IPR and PGR Statistics for Final Written Decisions Issued in March and April 2026

May 26, 2026

At the PTAB Blog

Before the Holding, the Message: Director Squires Uses Magnolia Medical to Outline PTAB Discretionary Denial Policy Changes

May 20, 2026

Virtual Seminar

Patent "Basics" Seminar

May 19, 2026

Virtual

Conference

19th Annual Forum on Pharma & Biotech Patent Litigation in Europe

May 19-20, 2026

Amsterdam

Webinar

Changes at the PTAB from Settled Expectations to Real Parties in Interest to Director Involvement

May 18, 2026

Webinar

Due to international data regulations, we’ve updated our privacy policy. Click here to read our privacy policy in full.

  • Privacy
  • Disclaimer
  • Legal Notices
  • Fraud Alert
  • EEO Statement
  • Cookies
  • Contact Us

© 2026 Finnegan, Henderson, Farabow, Garrett & Dunner, LLP