Willow Patents and other Intellectual Property – Willow Pump Skip to main content

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.

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


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


Willow®

Sizing

Insert

United States

D1078030, and other U.S. and Int’l patents pending.


Registered Community Design Nos.:

GB6185177, GB6185178, GB6185179


Elvie® Trainer

United States

11406279, D798594S1, D773662S1, and other U.S. patents pending.


International

EP3212081


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, 


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


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


Elvie® Rise®

United States

12232635, 12290185, 12232635, 29/982,139, and other U.S. and Int'l patents pending.


Registered Design Nos.:

CN202530158185.8


Elvie® Curve®

United States

17/773,157


International

EP4051332, CN217525914


Registered Design Nos.:

EU008073399, UK9008073399


Elvie®  Catch®

United States

12318516, 29/810,046


International

CN218220710, EP4061445



Registered Design Nos.:

EU008074405, UK9008074405


Elvie® Nipple Cushions

United States

D1092754


Registered Design Nos.:

CN308533649S, EU015032836, UK6266093, UK6266094


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


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


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


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


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


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


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


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


Elvie® StrideTM Valves

United States

Protected as a part of 11806454 (U.S. and Int'l patents pending.


Elvie® StrideTM Connect Kit 


United States

Protected as a part of 11806454 (U.S. and Int'l patents pending.


Elvie® StrideTM Waist Clip

United States

Protected as a part of 11806454 (U.S. and Int'l patents pending.


31 October 2025