Willow Patents and other Intellectual Property
The Willow Group operates under the brands Willow® and Elvie® is committed to protecting its innovations through its effort in securing patent protection in the United States, and other territories internationally.
Virtual Patent Marking
Pursuant to 35 U.S.C. § 287(a. regarding patent law, the following provides notice of Willow’s rights in the below identified United States Patents, and their foreign counterparts, and are listed in relation to the product name. Additional U.S. and Non-U.S. patent applications may be pending.
The following list is not exhaustive, and other components not listed here may be protected by one or more patents in the United States and elsewhere. The identified products or items are protected by one or more of the listed patents. Components of the item listed below may be sold individually or as part of a combination product. Other components not listed herein may have patent markings placed on the particular product or packaging to provide adequate notice of its patent protection.
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Willow® Wearable Breast Pump |
United States 9539376, 9539377, 9616156, 9623160, 10105474, 10398816, 10434228, 10434231, 10485908, 10500320, 10525176, 10561770, 10589009, 10610625, 10617805, 10625005, 10639406, 10660995, 10688229, 10702640, 10722624, 11089991, 11185619, 11241521, 11400189, 11413379, 11534535, 11660380, 11806453, 11883185, 11951238, 12036342, 12036343, 12076468, 12115294, 12208185, 12364794, D809646, D811579, D828542, D832995, D834177, D856507, D862680, D905230, D958963, D977625, D998137, and other U.S. and Int’l patents pending. International CN105555329, CN106714860, CN107106746, CN107106022, CN107182202, CN108583214, CN108601870, CN110314257, CN112469451, CN112469452, EP3171906, EP3171907, EP3180049, EP3193707, EP3280469, EP3413946, EP3708977, EP4190374 Registered Community Design Nos.: CN201630377777.X, CN201630377776.5, CN20160377903.1, CN201630377906.5, DE402024100571-0001, EU03336098-0001, EU03336098-0002, EU03336098-0003, EU03336098-0004, EU03336098-0005, GB6381797, GB6381798 |
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Willow Go™ Wearable Breast Pump |
United States: 12370292, 12433974, D997349, D1017019, D1031010, D1033630, D1036650, D1052724, D1053344, D1057933, D1057934, D232352, and other U.S. and Int’l patents pending. International CN112469452 Registered Community Design Nos.: CN202130666994.1, CN202130666989.0, CN202130667012.0, EU8719504-0001, EU8719512-0001, EU8719520-0001, GB6169539, GB6169542, GB6169543 |
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Willow® Sizing Insert |
United States D1078030, and other U.S. and Int’l patents pending. Registered Community Design Nos.: GB6185177, GB6185178, GB6185179 |
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Elvie® Trainer |
United States 11406279, D798594S1, D773662S1, and other U.S. patents pending. International EP3212081 |
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Elvie® Pump |
United States 10926011, 10881766, 11357893, 11376352, 11260151, 11806451, 11730867, 11357894, 11324866, 11813381, 11311654, 11413380, 11801335, 11813388, 12280186, D1043960S, 29/955,208, and other U.S. and Int’l patents pending. International EP3638334, AU2018283715B2CN213964594, CN216798371, DE202018006778, DE202018006774, DE202018006777 Registered Design Nos.: CN305142970, EU005292703, UK9005292703, |
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Elvie® StrideTM |
United States 11806454, 12318516, D1035858S, D1064250, 29/802,734, 29/816,163, 29/97,626, and other U.S. and Int'l patents pending. Registered Design Nos.: CN7599427, EU008768923, EU009173933, UK6138437-6138448, UK6172021-6172023, UK6230900, UK6230901 |
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Elvie® StrideTM 2 |
United States 11806454, 29/957390, 29/97,626, and other U.S. and Int'l patents pending. Registered Design Nos.: CN202530037488.4, CN202530035872.0, EU008768923, EU009173933, EU015090611, UK6379735, UK6379736, UK6379737, UK6379738 |
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Elvie® Rise® |
United States 12232635, 12290185, 12232635, 29/982,139, and other U.S. and Int'l patents pending. Registered Design Nos.: CN202530158185.8 |
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Elvie® Curve® |
United States 17/773,157 International EP4051332, CN217525914 Registered Design Nos.: EU008073399, UK9008073399 |
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Elvie® Catch® |
United States 12318516, 29/810,046 International CN218220710, EP4061445 Registered Design Nos.: EU008074405, UK9008074405 |
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Elvie® Nipple Cushions |
United States D1092754 Registered Design Nos.: CN308533649S, EU015032836, UK6266093, UK6266094 |
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Elvie® Pump Bottles |
United States Protected as a part of 10926011, 10881766, 11357893, 11376352, 11260151, 11806451, 11730867, 11357894, 11324866, 11813381, 11311654, 11413380, 11801335, 11813388, D1031993S, and other U.S. and Int'l patents pending. International EP3638334, CN213964594, CN216798371, DE202018006778, DE202018006774, DE202018006777 Registered Design Nos.: CN305142970, EU005292703, UK9005292703 |
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Elvie® Pump Breast Shields |
United States Protected as a part of 10926011, 10881766, 11357893, 11376352, 11260151, 11806451, 11730867, 11357894, 11324866, 11813381, 11311654, 11413380, 11801335, 11813388, D987066S, and other U.S. and Int'l patents pending. International EP3638334, CN213964594, CN216798371, DE202018006778, DE202018006774, DE202018006777 Registered Design Nos.: CN305142970, EU005292703, UK9005292703 |
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Elvie® Pump Bra Adjusters |
United States Protected as a part of 10926011, 10881766, 11357893, 11376352, 11260151, 11806451, 11730867, 11357894, 11324866, 11813381, 11311654, 11413380, 11801335, 11813388, 29/836,874, and other U.S. and Int'l patents pending. International EP3638334, CN213964594, CN216798371, DE202018006778, DE202018006774, DE202018006777 Registered Designs Registered Design Nos.: CN305142970, EU005292703, UK9005292703 |
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Elvie® Pump Seals |
United States Protected as a part of 10926011, 10881766, 11357893, 11376352, 11260151, 11806451, 11730867, 11357894, 11324866, 11813381, 11311654, 11413380, 11801335, 11813388, D954933S1, and other U.S. and Int'l patents pending. International EP3638334, CN213964594, CN216798371, DE202018006778, DE202018006774, DE202018006777 Registered Design Nos.: CN305142970, EU005292703, UK9005292703 |
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Elvie® Pump Spout and Valve Kit |
United States Protected as a part of 10926011, 10881766, 11357893, 11376352, 11260151, 11806451, 11730867, 11357894, 11324866, 11813381, 11311654, 11413380, 11801335, 11813388, 29/955,201, 29/955,205, and other U.S. and Int'l patents pending. International EP3638334, CN213964594, CN216798371, DE202018006778, DE202018006774, DE202018006777 Registered Design Nos.: CN305142970, EU005292703, UK9005292703 |
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Elvie® StrideTM Cups |
United States Protected as a part of 11806454, 29/802,734, and other U.S. and Int'l patents pending. Registered Design Nos.: D1064250, EU009173933, UK6230900 |
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Elvie® StrideTM Breast Shields |
United States Protected as a part of 11806454 (U.S. and Int'l patents pending. Registered Design Nos.: D1064250, EU009173933, UK6230900 |
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Elvie® StrideTM Diaphragms |
United States Protected as a part of 11806454 (U.S. and Int'l patents pending.
Registered Design Nos.: D1035858S, EU009173933-0002, UK6230901, UK6379738 |
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Elvie® StrideTM Valves |
United States Protected as a part of 11806454 (U.S. and Int'l patents pending. |
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Elvie® StrideTM Connect Kit |
United States Protected as a part of 11806454 (U.S. and Int'l patents pending. |
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Elvie® StrideTM Waist Clip |
United States Protected as a part of 11806454 (U.S. and Int'l patents pending. |
31 October 2025