Legal

Virtual Patent Marking

ESS Tech, Inc. (ESS) products are protected by patents in the U.S. and elsewhere. This website is provided to satisfy the virtual patent marking provisions of Section 16 of the America Invents Act and to further serve as notice under 35 U.S.C. §287(a). Energy Warehouse and Energy Center-branded products and services may be covered by one or more of the following claims of patents.  The following list may not be all inclusive, and ESS products may be protected by one or more other patents.

Patent List Updated October 29, 2024

US Patent Numbers:
9,614,244; 9,685,651; 10,439,197, 11,233,299; 11,715,840; 9,865,895; 10,586,996; 10,403,919; 9,509,011; 9,806,366; 10,181,615; 10,923,753; 11,527,771; 10,615,442; 10,230,125; 10,680,268; 11,043,679; 11,374,236; 10,777,913; 11,233,257; 10,680,263; 11,228,052; 11,594,750, 11,296,347; 10,811,993; 11,264,631; 11,688,874; 11,515,558; 11,424,470; 11,791,479; 11,201,343; 11,545,688; 11,764,380; 10,879,544; 11,631,872; 11,811,110; 10,930,949; 11,025,072, 11,682,912; 11,462,764; 11,502,321; 11,670,792; 11,677,093; 11,710,843; 11,664,512; 11,749,827; 11,764,369; 11,817,606; 11,728,497; 11,817,609; 11,837,759; 11,855,312; 11,888,201; 11,996,597; 12,080,930; 12,080,931; 12,087,981; 12,087,984; 12,095,130 

Australia Patent Numbers:
AUS2015225569; AUS2018221581; AUS2018256886; AUS2018256895; AUS2018258692; AUS2018258693; AUS2018258694; AUS2018271764; AUS2019203950

Chinese Patent Numbers:
CN110574200 B; CN110582878 B; CN110574201 B; CN110679022 B; ZL2018 8 0011708.3; CN110582881 B; ZL2018 8 0012389.8; CN110574199 B; ZL201980053691.2; CN113169361 B; CN112840491 A; CN112840491 A

German Patent Numbers:
GER202018102852.9

Indian Patent Numbers:
IN393334; IN474485

Japanese Patent Numbers:
JP7060607; JP7108640; JP7121045; JP7189887; JP7121043; JP7157078; JP7121044; JP7217276; JP7312252; JP7483705; JP7426384

Trademark Protection

Unless otherwise noted, the products, product names, designs, logos, text, images, and videos within this website are the trademarks, service marks, trade names, trade dress, copyrights, assets, and other property of ESS Tech, Inc. (collectively, “Intellectual Property”). ESS expects others to respect our rights in our Intellectual Property. ESS actively and regularly monitors the marketplace and enforces our rights in our Intellectual Property. Nothing contained herein should be construed as granting, by implication, estoppels, or otherwise, any license or rights to use any ESS Intellectual Property without its express written permission.

ESS Tech, Inc. owns the following trademarks and service marks (non-exhaustive list) in the U.S. and in foreign countries. The registered symbol provides notice of registration in the U.S.

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