Dao Health

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Dao Health v. Shenzhen Lutejiacheng Technology Co., Ltd., No. 23 C 4885 (N.D. Ill. Dec. 12, 2025) (Durkin, J.)

Judge Durkin construed seven disputed terms across three patents involving a hands-free breast milk collection device and a related valve, rejecting indefiniteness challenges and clarifying several scope disputes in this patent matter.

Of particular note…

Dao Health v. Shenzhen Lutejiacheng Technology Co., Ltd., No. 23 C 4885 (N.D. Ill. Dec. 2, 2025) (Durkin, J.)

Judge Durkin denied Shenzhen’s motion to amend to add inequitable conduct counterclaims, holding the proposed amendments were futile for failure to plead but-for materiality and specific intent under the Federal Circuit’s tightened Therasense standard.

Shenzhen…