Environmental Defence Systems Ltd v Synergy Health Plc & Ors
Decision date: 1 May 2014
Neutral citation: [2014] EWHC 1306 (IPEC)
Overall AI summary confidence: high
Short overview
This short overview is intended to summarise the case, issues and outcome so far as they are supported by the judgment.
AI confidence in this short overview: high
This was a preliminary-trial judgment on whether claims 1, 6 and 9 of EP 2 393 989 involved an inventive step when the known method of making water‑absorbent pads was used to make flood‑defence “barrage units”. The court held the skilled person should be drawn from the flood‑defence/barrage‑unit field with common general knowledge of that field, and that it would have been obvious to use the known pads and to arrange them in a porous bag as claimed. The judge found claims 1, 6 and 9 lacked inventive step and decided for the defendants on the preliminary issue.
Ratio decidendi
This summary is intended to identify the ratio decidendi, meaning the legal reasons for deciding and the binding part of the decision.
AI confidence in this ratio decidendi summary: high
Inventive-step assessment must be conducted from the perspective of a notional skilled person drawn from the relevant technical field (here, the flood‑defence/barrage‑unit field), with common general knowledge tied to that field; applying that standard, the use of already-known absorbent‑pad manufacture and arranging such pads in a porous bag to form barrage units was obvious and therefore the claims lacked inventive step.
Obiter dicta
This summary is intended to identify obiter dicta, meaning observations made by the way that were not necessary to deciding the case and are not binding.
AI confidence in this obiter dicta summary: medium
The judgment criticises parties for failing to plead clearly the technical field for the skilled person and for late or imprecise expert nominations, and observes that expert witnesses educate the court but cannot substitute for the hypothetical skilled person; it also notes that the skilled person relevant to inventive step may differ from that used for claim construction or insufficiency and that obviousness to any suitably‑drawn skilled person is fatal.
Warning
- The chunk is repetitive and contains duplicated paragraphs; some procedural history is only partially developed. notes are somewhat repetitive and some procedural history is only partially developed; they may be materially incomplete.