https://www.meissnerbolte.com/de/news/ukipo-uk-address-for-service-requirements-change/
UKIPO: UK address for service requirements change
UK IPO has issued a Tribunal Practice Notice
address for serviceukrequirementschange
https://www.citma.org.uk/resources/uk-ipo-updates-address-for-service-guidance-mb23.html
CITMA - UK IPO updates address for service guidance
address for serviceipo updatescitmaukguidance