Lemmon v. Snap, Inc. is a 2021 legal case in which the United States Court of Appeals for the Ninth Circuit held that Section 230 of the Communications Decency Act did not prevent a negligent design claim against Snap Inc. for Snapchat's Speed Filter because the claim targeted Snapchat's design rather than third-party content hosted by the platform.

Lemmon v. Snap, Inc.
CourtUnited States Court of Appeals for the Ninth Circuit
Full case name Carly Lemmon, et al. v. Snap, Inc.
DecidedMay 4, 2021
Citation995 F.3d 1085
Court membership
Judges sittingKim McLane Wardlaw, Carlos Tiburcio Bea, and James David Cain Jr.

In December 2013, Snap Inc., the developer of the social media app Snapchat, created the Speed Filter, a feature that let users of the app share with their friends how fast they were moving. By 2016, several accidents had been attributed to excessive speeding encouraged by the Speed Filter.

In May 2017, three young men died in a car accident while driving along a Wisconsin road. Before crashing, they reached a maximum speed of 123 miles per hour while using the Speed Filter to document their speed. The parents of two of the victims sued Snap Inc., alleging that the negligent design of Snapchat caused their children's deaths because the Speed Filter encouraged them to drive at dangerous speeds. The district court dismissed the action, ruling that Section 230 rendered Snap Inc. immune from the claim.

In 2021, the parents appealed the ruling to the United States Court of Appeals for the Ninth Circuit, which reversed the lower court's ruling and remanded the case. The Ninth Circuit's opinion clarified the requirements for a Section 230 defense and held that claims specifically targeting a product's design would be able to bypass Section 230.

Background

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A road seen through a windshield, overlayed with the text "58.2 MPH". At the top and bottom of the screen are various annotation icons
A mockup of what the Speed Filter looked like in 2015.

Snapchat is a social media app created by Snap Inc. that is primarily used for creating and sharing "snaps"—photos or short videos, optionally edited with effects like filters—with other users of the app.[1] In December 2013, Snap Inc. added the Speed Filter to Snapchat. When enabled, the Speed Filter allowed the user to record their real-time speed and overlay it on their snaps.[2]

Many of Snapchat's users suspected they would be rewarded by the app if they recorded a speed of over 100 miles per hour using the Speed Filter.[3] In September 2015,[4] a man was seriously injured in Atlanta, Georgia, in a collision with a driver who was trying to exceed 100 miles per hour on the Speed Filter.[5] That December, three young women died in a car accident in Philadelphia, Pennsylvania, while using the Speed Filter.[6] In November 2016, a young couple crashed into a minivan in Tampa, Florida, while recording a speed of over 115 miles per hour on the Speed Filter. The crash killed the couple and three of the minivan's occupants.[7] Between 2013 and 2017, Snapchat was criticized by news outlets and road-safety experts for encouraging unsafe driving,[2][8][9] and multiple Change.org petitions were created calling for the Speed Filter's removal.[10]

On May 28, 2017, Jason Davis (age 17) was driving down a road in Wisconsin. His friends,[11][12] Hunter Morby (age 17) and Landen Brown (age 20), were passengers. After traveling at high speeds for several minutes, they drove off the road and crashed into a tree. Shortly before the accident, one of the boys posted a snap using the Speed Filter, showing their speed at 123 miles per hour. All three boys died in the crash.[13]

In response to the various accidents, Snap Inc. added a "Don't Snap and drive" warning to the Speed Filter, disabled sharing snaps using the filter when exceeding 35 miles per hour, and decreased its prominence in Snapchat's interface by changing it from a "filter" to a "sticker".[14]

Lawsuit

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Following the deaths of their children, the parents of Morby and Brown jointly sued Snap Inc. for wrongful death and personal injury on May 23, 2019, in the United States District Court for the Central District of California. The plaintiffs alleged that their children's crash was caused by the negligent design of Snapchat, and specifically by the design of the Speed Filter. They claimed that, after multiple previous accidents and criticism, Snap Inc. knew that the Speed Filter encouraged reckless driving and did not remove the feature, causing the accident.[15][16]

Snap Inc. moved to dismiss the case, arguing that the parents' negligence claim was insufficient grounds for relief, and even if it was not, Snap Inc. was immune from the suit under Section 230 of the Communications Decency Act. Section 230 grants broad immunity for providers of internet services against claims related to their failure to moderate third-party content.[16][17]

Initial ruling

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The district court dismissed the case in February 2020, holding that the plaintiffs' claim was barred by Section 230 because the Speed Filter was a "neutral tool" that Snapchat's users could use either beneficially or harmfully. The court did not rule on whether the negligence claim was sufficient grounds for relief.[17]

The court's justification for dismissal was partially guided by an earlier case, Dyroff v. The Ultimate Software Group, Inc., in which the Ninth Circuit ruled that social media websites cannot be held liable for recommendation algorithms or notification systems that propagate illegal content.[17][18] Aside from Dyroff, the court applied several other cases to its decision, including Doe II v. MySpace, Inc. (Section 230 immunity applies even if the plaintiffs were harmed) and Fair Housing Council of San Fernando Valley v. Roommates.com, LLC (Section 230 overrides because it was unclear whether Snap Inc. caused the harm).[19]

The district court also acknowledged Maynard v. Snapchat, Inc., a parallel case in the Georgia Court of Appeals arising from the September 2015 accident in Atlanta, Georgia. Even though the Georgia court dismissed the case against Snapchat, the court in Lemmon v. Snap, Inc. distinguished the ruling for not applying the Ninth Circuit's "neutral tools" standard. Maynard v. Snapchat, Inc. was later appealed to the Supreme Court of Georgia, which reversed the appellate court's decision in 2022.[19][20]

A large three-story building with an ornamental gray stone facade.
The appeal was heard at the James R. Browning United States Court of Appeals Building in San Francisco, California.

Appeal

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On March 19, 2020,[21] the parents appealed the district court's ruling to the Ninth Circuit. On May 4, 2021, the Ninth Circuit reversed the district court's decision and remanded the case to the lower court.[17]

The Ninth Circuit applied a three-prong test, determining that Snap was only liable under Section 230 if it was:

  1. A provider or user of an interactive computer service...
  2. ... whom a plaintiff seeks to treat, under a state law cause of action, as a publisher or speaker...
  3. ... of information provided by another information content provider.[22]

While Snapchat was, indeed, an interactive computer service, the court held that the other two elements of the test were not satisfied: even if no snaps were ever posted using the Speed Filter, the claim could have still been brought against Snap Inc. for its negligent design of the filter itself; therefore, the claim was not related to third-party content and would not be barred by Section 230.[22]

Impact and legacy

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The Lemmon v. Snap, Inc. decision clarified the necessary test for a Section 230 defense in the Ninth Circuit and created a narrow exception for claims directed solely against the design of a product.[16]

In June 2021, Snap Inc. removed the Speed Filter from the app entirely, citing lack of use by Snapchat's users.[14]

On remand, the district court found that the plaintiffs sufficiently alleged that Snap Inc. caused the accident by developing the Speed Filter. The parties settled the case in 2023.[22]

The Electronic Frontier Foundation, a proponent of Section 230, praised the Ninth Circuit's ruling for allowing the lawsuit to move forward without creating new incentives for websites to take down user speech.[23] In contrast, Eric Goldman, a professor at the Santa Clara University School of Law specializing in internet law, warned that, while the Lemmon ruling seems narrow, the multitude of cases attempting to preempt Section 230 by citing Lemmon "pose a serious threat to Section 230".[22] Adam Sieff, an attorney who defends technology companies in Section 230 cases, similarly stated that decisions like Lemmon are being "stretch[ed], or willfully misread ... well beyond their application".[24]

The Ninth Circuit's ruling in Lemmon v. Snap, Inc. has been widely cited in lawsuits and legislative efforts against social media companies for social media addiction among children and teenagers.[24]

References

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  1. Benner, Katie (November 30, 2016). "How Snapchat Is Shaping Social Media". The New York Times. ISSN 0362-4331. Retrieved June 30, 2026.
  2. 1 2 Panzarino, Matthew (December 21, 2013). "Snapchat Adds Filters, A Replay Function And For Whatever Reason, Time, Temperature And Speed Overlays". TechCrunch. Retrieved June 30, 2026.
  3. Lemmon v. Snap, Inc., 995 F.3d 1085, 1089 (9th Cir. 2021) ("Many of Snapchat's users suspect, if not actually 'believe,' that Snapchat will reward them for 'recording a 100-MPH or faster [s]nap' using the Speed Filter.").
  4. "Judge orders Snapchat CEO to answer questions in 100mph crash lawsuit over app's speed filter". WSB-TV Channel 2 - Atlanta. July 26, 2024. Retrieved June 30, 2026.
  5. Capatides, Christina (April 27, 2016). "Snapchat's speed filter blamed for bloody crash". CBS News. Retrieved June 30, 2026.{{cite web}}: CS1 maint: url-status (link)
  6. "Did Snapchat play role in deaths of 3 young women?". 6abc Philadelphia. February 16, 2016. Retrieved June 30, 2026.
  7. "Snapchat captures last moments before crash that killed 5". AOL.com. November 1, 2016. Retrieved June 30, 2026.
  8. Bell, Karissa (December 2, 2016). "Distracted driving kills, so why don't more apps have driver warnings?". Mashable. Retrieved June 30, 2026.
  9. "Is the Snapchat speed filter encouraging reckless driving?". CBS News. November 1, 2016. Retrieved June 30, 2026.{{cite web}}: CS1 maint: url-status (link)
  10. Bhattacharya, Ananya (April 28, 2016). "Lawsuit blames Snapchat's speed filter for Georgia car crash". The Verge. Retrieved June 30, 2026.
  11. "'Everyone's heartbroken:' 3 young men from Burlington killed in 1 of 2 fatal crashes in Walworth Co". FOX 6 Now Milwaukee. May 30, 2017. Retrieved June 30, 2026.{{cite web}}: CS1 maint: url-status (link)
  12. Solis, Nathan (May 4, 2021). "Ninth Circuit Revives Negligent-Design Suit Over Snapchat 'Speed Filter'". Courthouse News Service. Retrieved June 30, 2026.
  13. Denham, Hannah (May 5, 2021). "Snap can be sued over speed filter's role in fatal crash, court rules". The Washington Post. ISSN 0190-8286. Retrieved June 30, 2026.
  14. 1 2 Allyn, Bobby (June 17, 2021). "Snapchat Ends 'Speed Filter' That Critics Say Encouraged Reckless Driving". NPR. Retrieved June 30, 2026.{{cite news}}: CS1 maint: url-status (link)
  15. Complaint, Lemmon v. Snap, Inc., No. 2:19-cv-04504 (C.D. Cal. filed May 23, 2019).
  16. 1 2 3 Larkin, Wyatt (October 20, 2021). "Lemmon v. Snap, Inc.: Ninth Circuit Chips Away at Tech Companies' Section 230 Immunity". Harvard Journal of Law & Technology. Retrieved June 30, 2026.
  17. 1 2 3 4 Lawrence, J. Alexander (May 18, 2021). "Ninth Circuit's Snap Decision Limits Section 230 Immunity". Socially Aware. Retrieved June 29, 2026.{{cite web}}: CS1 maint: url-status (link)
  18. Goldman, Eric (May 12, 2021). "The Ninth Circuit's Confusing Ruling Over Snapchat's Speed Filter–Lemmon v. Snap". Technology & Marketing Law Blog. Retrieved July 3, 2026.
  19. 1 2 Goldman, Eric (March 4, 2020). "Snapchat's Speed Filter Protected by Section 230–Lemmon v. Snap". Technology & Marketing Law Blog. Retrieved July 3, 2026.
  20. Godhardt, Tess; Koltookian, Stephanie (April 1, 2022). "Snapchat's 'Speed Filter': Georgia Supreme Court Revives Negligent Design Claim". JD Supra. Retrieved July 3, 2026.{{cite news}}: CS1 maint: url-status (link)
  21. Lemmon v. Snap, Inc., No. 20-55295, (9th Cir. filed Mar. 19, 2020).
  22. 1 2 3 4 Goldman, Eric (2025). Internet Law: Cases & Materials (2025 ed.). Santa Clara University. pp. 342–343. ISBN 979-8294638443.
  23. Cope, Sophia (May 18, 2021). "Lawsuit Against Snapchat Rightfully Goes Forward Based on "Speed Filter," Not User Speech". Electronic Frontier Foundation. Retrieved July 4, 2026.
  24. 1 2 Luthi, Susannah (July 14, 2022). "A legal shield for social media is showing cracks". POLITICO. Retrieved July 4, 2026.{{cite web}}: CS1 maint: url-status (link)