WHO CAN JOIN? Membership of the European Society of International Law is open to all those with an interest in international law who are interested in contributing to the realisation of the goals of the Society. There are no limitations of nationality or qualification.


HOW TO JOIN / RENEW MEMBERSHIP: To join or renew your membership, please go to our online membership platform, select your type of membership, click on ‘’proceed to payment’’, log in to your account (or create an account if you are a new member) and follow the instructions. You can pay by credit card or bank transfer. If you have any questions about your membership, please contact esil.secretariat@eui.eu



  • You are informed about all ESIL events.
  • You are offered reduced registration fees at ESIL annual conferences.
  • You can join ESIL Interest Groups and participate in their activities, or you can set up a new group. (All members are asked to indicate the groups they belong to in their online membership account).
  • You will receive an online subscription to the European Journal of International Law  (four issues per year); Oxford University Press (OUP) will provide instructions to access the online subscription. The print edition of the Journal is available to ESIL members at a special reduced price of 15 euros. If you wish to find out more, please contact membership@oup.com quoting “European Journal of International Law, ESIL” in the subject line.
  • You will receive quarterly ESIL Newsletters, regular ESIL Reflections, and monthly ESIL Updates by email.
  • You can post Announcements on the ESIL website to share information with other members about conferences, workshops, new courses, summer schools, research posts, etc.
  • You can participate in the election of office-holders of the Society and, after one year of membership, you are eligible to stand for election to the Board.

Membership of the society is for the calendar year (January to December), regardless of the date of joining the society. All members joining / renewing their membership of ESIL between 1 November and  31 December will be accorded membership for the following year.

There are four categories of membership: Lifetime member, Regular member, Retired member, and Student member.

If you are interested in Lifetime Membership or Institutional Membership, please contact the ESIL Secretariat for further details.


Fees for January – December 2019

ESIL offers discounted fees for students, retired persons and members based in low and middle-income countries. The following rules apply:

  • Student members are studying full-time at undergraduate, postgraduate or PhD level. Members who have defended their PhD are required to pay a regular membership fee.
  • A retired person is aged over 60 years and no longer in full-time employment.
  • Reduced fees are offered to members based in low- and middle-income countries. Eligibility is determined by the country where a member studies or works (the country in which the institution where the member earns most of her/his income is located). List of low-, lower-middle, and upper-middle income countries (based on World Bank data).

Important: Membership fees represent the Society’s one and only source of income. We kindly ask all members who can afford it to pay the standard fee.


5-year regular membership, from January 2019  to December 2023  €500.00 (you save € 75)
Regular member: standard fee €115.00
Regular member (Working/studying in upper-middle income countries): reduced fee €50.00
Regular member (Working/studying in low and lower-middle income countries): reduced fee €30.00
Student member: standard fee  €30.00
Student member (Working/studying in upper-middle income countries: reduced fee €20.00
Student member (Working/studying in low and lower-middle income countries): reduced fee €15.00
Retired member: standard fee €85.00



If you change your email address at any time, please inform the ESIL Secretariat. You should also update your online account.


Notice to our UK-based members:

ESIL has been included in HMRC’s list of approved bodies for income tax relief for membership subscriptions (List 3). This means inter alia that, subject to the rules of your home institution, you may be able to use your research or travel allowance to pay for your ESIL membership. You/your institution’s financial officer can obtain income tax relief by quoting HMRC reference T1644/30/2014/HEM.