Powered by Lexis+®
Jurisdiction(s):
United Kingdom
CASE STUDY

“What I spend on my yearly subscription, equals to a day's billable hours for me not to mention time efficiency and peace of mind.”

Jai Stern

Access all documents on Chain reaction

Chain reaction meaning

Published by a LexisNexis Energy expert
What does Chain reaction mean?
In legal practice, chain reaction describes a sequence where one event triggers further events, commonly used in tort (for example, multi‑vehicle collisions) when analysing causation, remoteness and apportionment, and in regulatory contexts involving nuclear activities. It is a descriptive expression rather than a generally defined legal term, though the concept underpins statutory references to controlled, self‑sustaining fission within a nuclear reactor and to criticality safety. In a fission chain reaction, neutrons released by fission in one nucleus cause fission in at least one additional nucleus, releasing further neutrons. Where neutron production in a given period equals or exceeds neutron losses by absorption, the fission chain reaction is self‑sustaining. Practical significance: - Nuclear: central to licensing, safety cases, criticality control, shutdown systems and environmental consents; miscontrol may engage strict regulatory liability and enforcement. - Civil litigation: “chain reaction” is merely descriptive; liability turns on established principles of foreseeability and factual and legal causation, and on contribution between wrongdoers. Usage is broadly consistent across England & Wales, Scotland, Northern Ireland and Ireland, although specific nuclear regulatory frameworks differ; the scientific meaning is uniform.
Speed up all aspects of your legal work with tools that help you to work faster and smarter. Win cases, close deals and grow your business–all whilst saving time and reducing risk.

View the related News about Chain reaction

NEWS
Life sciences update: medical devices equity review, EU Health Data Space, AI in medicines, EMA supply chain actions, ASA rulings and DHSC health claims, Grindr HIV claim, EWHC patent judgment

In this issue: Medical devices Data protection and life sciences Research and development Commercialisation Advertising of medicines Disputes and regulatory enforcement Daily and weekly news alerts New and updated content Dates for your diary Trackers Useful information Medical devices Government reaction to Whitehead Review on systemic bias in UK medical devices Harriet Hanks, counsel, Sanjana Canumalla, associate, and Matt Allison, trainee, at Freshfields Bruckhaus Deringer, examine and reflect on the findings of the Whitehead Review into equity in medical devices, published on 11 March 2024. See News Analysis: UK government responds to Whitehead Review’s findings of systemic bias in UK medical devices. Guidance on content of Investigator’s Brochure for clinical investigations of medical devices issued The Medical Device Coordination Group (MDCG) has published guidance on the Investigator’s Brochure (IB) for clinical investigations of medical devices (MDCG 2024-5). The document, grounded in Regulation (EU) 2017/745, the Medical Devices Regulation (MDR), is...

Read More Right Arrow
NEWS
UK commercial law highlights: Procurement Act guidance and NPPS, EE v Virgin on exclusion of anticipated profits, FCA motor finance appeal, ICO device fingerprinting, e‑invoicing consultation—20 February 2025

In this issue: Advertising, marketing and sponsorship Agency and distribution Contracts International Public procurement Supplier management Daily and weekly news alerts New and updated content Dates for your diary Trackers Latest Q&A Advertising, marketing and sponsorship Google’s reversal on device fingerprinting—ICO reaction and follow-up guidance. Jules Toynton, senior associate, and Isla Neil, data, privacy and cybersecurity lawyer at DLA Piper, assess the Information Commissioner’s Office (ICO) reaction to Google lifting its ban on device fingerprinting, alongside the ICO’s draft guidance on the deployment of storage and access technologies issued in the wake of that response. See News Analysis: Google’s U-turn on device fingerprinting—ICO reaction and subsequent guidance. ASA rulings—19 February 2025 The Advertising Standards Authority (ASA) received a single complaint about misleading discount representations on Secret Escapes Ltd’s website. The ASA upheld the complaint. See: LNB News 19/02/2025 29. Agency and distribution UK FCA gets permission to intervene in...

Read More Right Arrow

View the related Practice Notes about Chain reaction

PRACTICE NOTES
Crisis communications for lawyers: stakeholder mapping, media and social strategy, staff messaging, privilege and disclosure risks, insurer approvals, and positioning correspondence

When a crisis strikes, you’ll feel the strain—pressure to decide, to reply, from colleagues you report to and possibly from outside stakeholders too. You could be pushed beyond your comfort zone and uncertain about reporting duties: what to reveal, to whom, at what time, and in which sequence. Your gut reaction might be to leap in at once to meet others’ agendas or, alternatively, to fall silent and retreat to a strictly legal stance. This Practice Note sets out the pitfalls to watch for and how you can ready yourself for likely involvement in any crisis management exercise, with a focus on communicating effectively. What is a crisis? Unexpected and unwanted occurrences can affect an organisation at any moment. Occasionally there is advance notice (eg an industrial dispute or breakdown in your supply chain), though not inevitably. Natural catastrophes, pandemics, mishaps, stakeholder activism, criminality, the departure of a critical partner or contract, and financial pressures are merely examples of triggers that might spark a crisis capable of harming...

Read More Right Arrow
PRACTICE NOTES
Comprehensive guide to UK supply chain law: contracting, procurement, ESG and modern slavery due diligence, sanctions and financial crime, and practical risk management tools

This Practice Note sets out a high-level overview of the supply chain, touching on what the supply chain is, marketing and distribution routes, principal supply chain contractual considerations, key laws and regulations enacted in relation to the supply chain, and a look at some commercial tools available to address supply chain challenges. With continuing globalisation of commerce, increasing exposure to potential liabilities, and sharpening focus on environmental, social and governance (ESG) matters, businesses must, more than ever, remain alive to a myriad of supply chain issues. What is a supply chain? The term ‘supply chain’ is a metaphor for the process or system that takes products or services from design through sale to the end-user. As with a physical chain, the supply chain consists of a sequence of links—research, design, manufacturing, transport, inventory management, warehousing and retail—each playing a critical role in moving products and services from creation to their recipients. The end-user’s demands pull movement along the chain. An example supply chain is set out below. The...

Read More Right Arrow