Plaintiff
20 cases as plaintiff.
Express Mobile, Inc. is a privately held company founded in 2006 by inventor Steven H. Rempell and based in Novato, California. Public information on its employee count or revenue is not available. The company holds patents related to website and mobile application development technology developed by its founder in the late 1990s. While the company once had business operations, a 2011 accident involving the founder reportedly caused the company to lose its market position, and it has since focused on "patent monetization efforts."
Express Mobile does not appear to have current commercial products or services. Its primary activity is asserting its patent portfolio, which relates to "What You See Is What You Get" (WYSIWYG) website development methods, responsive design for displaying content on different devices, and the integration of web services into web and mobile solutions. The patents are described as foundational to Web 2.0 applications, including e-commerce sites and social media platforms. The company has stated it does not want to stop others from using its patents but seeks to be paid a fair royalty.
The company is a non-practicing entity (NPE) that engages in patent assertion. This is evidenced by its litigation history, which consists of 20 tracked cases, all of which were initiated as the plaintiff. The company has filed suits in plaintiff-friendly jurisdictions, including the Eastern District of Texas, as well as the District of Delaware and the Northern District of California. This litigation campaign has been active since at least 2015 and has targeted over 95 companies.
Express Mobile has sued numerous high-profile technology and e-commerce companies. The provided case list includes lawsuits against Apple, Microsoft, Google, Facebook, eBay, Oracle, and SAP. A notable case against GoDaddy resulted in a $170 million jury verdict in favor of Express Mobile in November 2025, although the case involved a successful appeal to the Federal Circuit before trial. In another case, a jury awarded Express Mobile $40 million from Shopify in 2022, but a judge later overturned the verdict due to insufficient evidence. Its patents have also been subject to challenges at the Patent Trial and Appeal Board (PTAB).
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Express Mobile, Inc. filed a patent infringement suit against Squarespace, Inc. in the California Northern District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Wix.com Ltd. in the California Northern District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Weebly, Inc. in the California Northern District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against eBay Inc. in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Home Depot U.S.A., Inc. in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Apple Inc. in the California Northern District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Microsoft Corporation in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Oracle Corporation in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against SAP SE in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Facebook, Inc. in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Salesforce.com, Inc. in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Box, Inc. in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Dropbox, Inc. in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against ADP, LLC in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Workday, Inc. in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against International Business Machines Corporation in the Delaware District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Google LLC in the California Northern District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against J.C. Penney Company, Inc. in the Texas Eastern District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against Pier 1 Imports (U.S.), Inc. in the Texas Eastern District Court. The case was ultimately dismissed.
Express Mobile, Inc. filed a patent infringement suit against YETI Coolers, LLC in the Texas Eastern District Court. The case was ultimately dismissed.