Conference theme
International Law and Future(s)
The theme invites reflection on which rules, institutions and values international law should preserve, rethink or rebuild as international society changes.
ESIL ANNUAL CONFERENCE2027
International Law and Future(s)
- Dates
- 9–11 September 2027
- Location
- Lisbon, Portugal
Hosted by Universidade Católica Portuguesa, Faculty of Law
About the conference
The ESIL Annual Conference 2027 brings together scholars, practitioners and early-career researchers to reflect on how international law can respond to a changing international society.
- Date
- 9–11 September 2027
- Location
- Lisbon, Portugal
- Participation
- In-person
- Community
- International law community
Important dates
Keep track of the key milestones for submissions, review and registration.
View All DatesCall for Papers opens
1 November 2026
Submission deadline
31 January 2027
Notification of outcome
By 31 March 2027
Early bird registration deadline
31 May 2027
Join the conversation
Call for Papers
Prepare and submit your individual paper proposal or ESIL Interest Group panel proposal by 31 January 2027.
Programme
Discover new research and exchange perspectives across twelve agorae and three thematic clusters in Lisbon. Programme details will be published in spring 2027.
View ProgrammeYour time in Lisbon
Registration & fees
Plan your attendance at ESIL 2027. Conference Registration is not yet open. Registration will open after the conference programme has been finalised.
View Fees & TicketsRegistration periods
Until 31 May 2027
Early bird
Best available rate for early registration.
1 June – 5 Sep 2027
Regular
Standard registration period for participants.
From 6 September 2027
Late
Final registration period, subject to availability.
Until 31 May 2027
Early bird
Best available rate for early registration.
1 June – 5 Sep 2027
Regular
Standard registration period for participants.
From 6 September 2027
Late
Final registration period, subject to availability.
Until 31 May 2027
Early bird
Best available rate for early registration.
1 June – 5 Sep 2027
Regular
Standard registration period for participants.
From 6 September 2027
Late
Final registration period, subject to availability.
Until 31 May 2027
Early bird
Best available rate for early registration.
1 June – 5 Sep 2027
Regular
Standard registration period for participants.
From 6 September 2027
Late
Final registration period, subject to availability.
Find more information about eligibility, registration steps and payment procedures.
Fee categories
Starting prices are early bird rates, subject to category eligibility. IG workshop-only participation is free.
Hosted in Lisbon
ESIL 2027 will take place at Universidade Católica Portuguesa, Faculty of Law, in a city shaped by international encounters, legal history and contemporary academic exchange.
Conference venue
Universidade Católica Portuguesa, Faculty of Law
The conference will take place at Universidade Católica Portuguesa, Faculty of Law, for three days of academic exchange and collaboration.
Lisbon, Portugal
A city for international exchange
Lisbon offers a distinctive setting for ESIL 2027, combining legal history, global connections and a vibrant academic environment.
Partners & exhibitors
ESIL 2027 will bring together institutions, organisations and exhibitors connected to international law, academic research and professional exchange.
Partners
Institutional and academic partners connected to ESIL 2027.
Supporters
Organisations supporting the conference and its international academic community.
Programme details, commercial information and unpublished documents will be available later. Registration and payments are not available in this phase.