Product lifetimes and product design

  • The lifetimes of textiles
  • The lifetimes of electrical and electronic equipment
  • The lifetimes of vehicles
  • The lifetimes of buildings
  • Product lifetimes in a historical perspective
  • Cascading products and materials
  • Modular design, design for durability, repairability and/or upgradability
  • Longevity assumptions in Life cycle assessment
  • Lifetime prediction and lifetime prognostics
  • Repurposing of products and components


  • Planned and unplanned obsolescence
  • Psychological obsolescence
  • Technological obsolescence
  • Fashion & obsolescence
  • Software obsolescence
  • Repair and obsolescence
  • Product design & obsolescence
  • Batteries & obsolescence
  • Legislating against obsolescence

Circular Economy and slower material cycles

  • Historical examples for circular economy
  • Circular Economy and globalization
  • Consumers in the Circular Economy
  • Rebound effects of the Circular Economy
  • The role of cooperation and transparency in value chains
  • Local, regional, global value circles
  • Transition to circular business models
  • Reuse and second hand markets
  • Cultural change in organisations towards circularity
  • Demanufacturing & Remanufacturing

Sustainable consumption

  • Consumer psychology
  • Sufficiency in product consumption
  • From fast fashion to slow fashion
  • The role of lifetime labelling
  • Product attachment
  • User product relations
  • Individualisation and lifestyles
  • Consumer practices leading to short and long use-times
  • Awareness of longevity
  • Product hibernation, from end-of-use to end-of-life
  • The product lifetimes and energy efficiency trade-off

Sharing economy and collaborative consumption

  • Product sharing communities
  • Long lasting products as commons
  • The meaning and significance of ownership
  • The role of social networks
  • The sharing economy and product lifetimes
  • End-of-life of shared products

Repair, DIY and maker communities

  • User empowerment, right to repair and campaigning for change
  • Repairability labelling
  • Fostering competences and creativity in DIY communities
  • Grassroots innovation for sustainable production
  • Enhance interconnectedness between DIY communities
  • Open knowledge, open design, open data, open source
  • Living labs and open spaces
  • Cultures & communities of repair
  • Repair and 3d printing
  • Quantifying the environmental impact of repair
  • IT platforms to support repair

Policy, regulation and legislation

  • The European Green Deal and product lifetimes
  • The EU Circular Economy Action Plan
  • Policies which address the circular economy
  • Policies to regulate product lifetimes
  • How to design an architecture of responsibility
  • Role of lobbying from corporations and civil society
  • Reuse and transfrontier movement of products
  • Waste & End-of-Waste

Digitalisation and product lifetimes

  • Smart technologies and smart products
  • The Internet of Things and product lifetimes
  • Data intelligence in business model and product design
  • Digital social innovation for longer lasting products
  • Data security, data privacy
  • Product tracking for reuse potential
  • Product monitoring – Consumer observation and manipulation in a surveillance economy


This list of topics indicate the breadth of this multidisciplinary conference but are not intended to be exclusive. All successful conference submissions will have to address product longevity explicitly

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