Booking of date for public defence

The date for public defence is booked by the doctoral student. You have to be registered in LADOK to be able to book a date for public defence.


You log in with your LUCAT id and password on LTH's Public Defence web.

Public defence web LTH

Questions about LUCAT is answered by LDC servicedesk: 046-222 90 00,

If your personal identity number changed after 2018-03-26, you need to submit your old temporary registration number (t-number) in the system.


  1. Fill in the civic registration number (personnummer) of the doctoral student and click "Next".
  2. The dates which are booked by some other doctoral student within the same group of subjects is striked-out. It is still possible to book those dates, please contact for assistance.
  3. Pick a free date and fill in the form to the right.
  4. Click "Book date".
  5. A receipt is shown and a confirmation-mail is sent to the doctoral student, the supervisor and the departmental secretary.
  6. If you want to change the date you repeat the procedure above. This is possible until the registration has started.
  7. If you want to delete your booking you repeat step 1 above and click "Delete booking". This is possible until the registration has started.


    Administration of the public defence


    Technical questions and bug report

    Hema Yella
    +46 46 222 34 27

    Page Manager: | 2021-04-01