The Skilled Person
28.Professor Tehrani characterised the skilled person as an electrical or mechanical engineer with an interest in automatic control systems for mechanical ventilators.29.Professor Rees suggested that one must consider a skilled team, the engineer being accompanied by a respiratory or critical care physician.30.It probably makes little difference since an engineer working in this field would regularly consult such a physician to ensure that they knew how mechanical ventilators could and would fit the requirements of the physician. To ensure that the physician’s knowledge is not forgotten, I think it is better to consider the matters in issue in this claim through the eyes of a skilled team as suggested by Professor Rees.
- HIS HONOUR JUDGE HACON
- December 2021.
- Introduction
- The Witnesses
- The technical background
- The Skilled Person
- The Patent
- Construction
- Infringement
- The law
- Validity of claims 1 and 45 – Anderson
- Validity of claim 1 – Waisel
- Validity of claim 45 – Waisel
- table referred to as PEFIOS.
- Validity of claim 45 – the Tehrani Paper and US 268
- Insufficiency
- Conclusion
