Industry Sector
Railway signaling — US PTAB Patent Cases
2 decisions indexed
Page 1 of 1 · 2 total
patent
Westinghouse Air Brake Technologies Corporation et al. v.Railware, Inc. et al.
· IPR2026-00135
Wabtec has filed an IPR petition challenging Railware’s RE 49,115 patent. The petition asserts that claims 20‑36 are obvious over the FRA‑Report combined with secret‑code references. No discretionary denial is alleged.
patent
Westinghouse Air Brake Technologies Corporation et al. v.Railware, Inc. et al.
· IPR2026-00133
Westinghouse (Wabtec) petitions the PTAB to invalidate Railware’s 9,517,782 patent covering a railway block‑release system, arguing the claims are obvious over public FRA reports and several secret‑code patents.
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