Ms. Oryszczuk has broad experience in traditional environment areas such as contaminated land and allocation of environment liabilities in transactions, permitting, waste, climate change, species-specific requirements, emissions, and contentious work including prosecutions relating to large scale pollution incidents, environmental damage, and general regulatory and subject specific ad-hoc advice. Ms. Oryszczuk also provides advice on specialist scientific and technical regulatory aspects spanning a variety of sectors. She has built up particular expertise in chemicals law and hazardous/regulated substances (e.g. REACH, CLP, RoHS, biocides, nuclear/radiological), novel technologies and agri-tech (e.g. advanced genetic engineering, GMOs, nano), and corporate/accounting and regulatory energy and environment reporting and efficiency (e.g. EU ETS, CRC, mandatory energy audits (ESOS) and non-financial reporting).

Ms. Oryszczuk advises day-to-day on transactional matters and liability (including director/officer and parent company), land contamination and hazardous substances, and in multinational competitive bids. She has a broad experience including in relation to manufacturing and waste facilities, energy storage projects, wind farms, grid projects, redevelopments and remediation projects, landfills, mines and minerals operations, and nuclear and radioactive materials facilities. She has acted for a variety of parties including buyers/sellers, tenants/landlords, bidders, lenders, insurers, developers, authorities/regulators, trustees, insolvency practitioners, and private equity/funders. Ms. Oryszczuk provides specialist corporate due diligence (including vendor due diligence). She often acts as specialist outside counsel and has drafted bespoke instruments including transfer of liability deeds, contractor T&Cs, site remediation/investigation/access agreements, as well as environment indemnities and warranties. Ms. Oryszczuk often coordinates multinational projects and advice and regularly liaises and negotiates with regulators on behalf of her clients. On corporate work in particular, Ms. Oryszczuk assists very large multinationals (including global asset funds) with complex organisational structures through national and international compliance scenarios, including on corporate reporting and carbon .trading.

On contentious work, Ms. Oryszczuk has taken leading roles in some of the UK’s largest and most high profile environment cases, often building on her science background in respect of issues concerning hazardous substances. She regularly defends in relation to large domestic civil group actions relating to environment issues. More recently she has acted in contentious life sciences cases relating to medicinal products including before the European Court and national regulators, e.g. the UK’s NICE.