2023 LightSpeed Hackathon Competition Official Rules



The purpose of these rules is to define the conditions and rules for participation in the competition organised by Groupe Lefebvre Sarrut (hereinafter "the Rules") on the theme of Generative Artificial Intelligence in the field of legal knowledge (hereinafter "Hackathon").

Participation in the Hackathon implies full and unreserved acceptance of these Rules. Acceptance of these Rules constitutes a contract, all stipulations of which are binding on the Participants, the Organiser and its Affiliates.


LEFEBVRE SARRUT, a public limited company with a management board and share capital of 5,188,008 euros, registered with the Nanterre Trade and Companies Register under no. 542 052 451, with its registered office at Tour Lefebvre-Dalloz, 10 Place des Vosges 92400 COURBEVOIE (hereinafter "Lefebvre Sarrut" or "the Organiser"), and its affiliated companies within the meaning of Articles L.233-1 and 3 of the French Commercial Code (hereinafter referred to as the "Affiliates"), are organising a competition (hereinafter referred to as the "Hackathon") open to students from Universities, Schools and other higher education establishments, as well as to employees of Groupe Lefebvre Sarrut companies, on the theme of new services brought about by developments in generative artificial intelligence (Generative AI) in the field of legal knowledge.


The Rules will be available on the website:

Any request relating to the Rules may be sent to the following e-mail address:


1/ The HACKATHON themes

The Hackathon is organized around three (3) themes:

- Activating knowledge for businesses and their advisers;

- Revolutionising the drafting of legal documents;

- Improving access to justice.

Each Participant team will choose the theme for its project.

  1. "Activating knowledge for businesses and their advisers": Participants' teams will propose new tools or services to facilitate and improve the quality and application of legal knowledge in the day-to-day work of legal professionals.
  2. "Revolutionising the drafting of legal documents": Participants should propose tools, methods or services based on generative AI systems to improve the drafting of legal documents.
  3. "Improving access to justice": The objective is to propose tools, methods or solutions, based on Generative AI systems, to reduce the various barriers and obstacles that legal users may face.

2/ The Challenges

The Hackathon will take place in two (2) stages (Challenges):

- The "Country Challenge": Each team of registered Participants will present its project to the jury of the country in which each team has registered;

- The "European Challenge": Each team of Participants whose project has been selected as the winner in the different countries will take part in the selection of the best European project by a jury.

The Hackathon will take place on 18, 19 and 20 October (Country Challenge) and on 6 November 2023 (European Challenge), according to the program communicated by the Organiser.

The Organiser reserves the right to modify, shorten, extend and postpone the dates and duration of the Hackathon or to cancel it if circumstances so require. The Participants will be informed beforehand and will not be able to question this decision which will not, in any way, engage the responsibility of the Organiser or Affiliate due to this decision and any possible damage which could result from it.


The Hackathon has two levels of prizes:

- Each team of Participants designated as the winner of each "Country Challenge" will receive a prize of two thousand five hundred (2500) euros;

- The team of Participants designated as the winner of the "European Challenge" will receive a prize of five thousand (5000) euros.

- Participants whose projects are not awarded a prize will receive a voucher worth fifty (50) euros to be redeemed on Amazon websites.

The winnings of the Participant teams will be divided equally between the members of the winning team (hereinafter referred to as "the Winners"), no modulation will be accepted.

The prizes will be awarded symbolically during the official presentation.

Payment for the prizes may be made by bank transfer or cheque, at the Organiser's discretion. The Organiser has a period of 30 days to make payment of the sums designated by the prizes. In the case of bank transfers, this period begins on the day on which the bank statement are sent by all the members of each winning team.

However, the Organiser reserves the right, at any time and if circumstances so require, to modify and replace the prizes initially planned with other prizes of an equivalent level or value. The prizes may not under any circumstances be contested in any way whatsoever by the Winners.

The Organiser shall not be obliged to award the prize if the Winners have not complied with these Rules.


1/ Participants from outside Lefebvre Sarrut

Individuals who have reached the age of majority or who are legally capable may register for the Hackathon on an exclusively personal basis, on their own time or without any legal link with a legal entity or public institution.

In view of the themes and objectives of the Hackathon, preference is given to applications from legal, tax, engineering, IT and digital (particularly artificial intelligence) backgrounds.

The Organiser reserves the right to reject any registration for which there is any doubt as to compliance with this condition.

All documents proving the Participant's eligibility for the Hackathon may be requested before the prizes are awarded (e.g. identity card, student card, training certificate, etc.).

Applications are free of charge.

Registrations must be submitted on the event's dedicated web page ( using the registration form.

Entries must be received by 13 October. The Organiser reserves the right to reject any application received after this date.

Similarly, the Organiser reserves the right to refuse any application from Participants in order to ensure optimum conditions for participation in the Hackathon.

2/ Participants working for Lefebvre Sarrut entities

All salaried employees (including fixed-term contracts, trainees, apprentices or professional training contracts or equivalent) may register for the Hackathon.

Entries must be made in consultation with the employee's manager or department head. Employees' days of participation will not be deducted from their days off or rest days, as they are days worked.

Registrations must be made on the event's dedicated web page ( using the registration form.

Entries must be received by 13 October. The Organiser reserves the right to reject any application received after this date.

3/ Composition of the teams.

With a view to sharing ideas and experience, as far as possible depending on the number of registrations, the teams will be made up of five (5) people from Groupe Lefebvre Sarrut employees and external candidates (ideally in a 3/2 split).

The composition of the teams may change according to the number of registrations and the types of profiles present in order to optimise the organisation of the Hackathon and preserve the conditions of the competition.

After the presentation of the various Hackathon challenges, time will be given to participants who have an idea for a project to present their ideas and allow the other participants to form teams around the projects according to the skills needed to carry them out. If there are no (or not enough) project ideas, the participants will get together to create teams balanced in terms of the skills needed to complete a project and its prototype.


Participation in the Hackathon implies full acceptance, without restriction or reservation, of the present Rules, of the decisions taken by the Organizer concerning the Hackathon, as well as of the laws, regulations and other standards applicable in the Hackathon territory(ies). Any offender to one or more of these rules may be deprived, at the Organizer's discretion, of the right to participate in the Hackathon, as well as, if applicable, of the prize obtained.

Participants who have not been selected will be informed by the Organiser.

No telephone or written request will be answered concerning the interpretation or application of these Rules, the mechanisms or procedures of the Hackathon or the criteria for designating the winners.

For the Hackathon to take place, Participants must make themselves available on the days of the Hackathon and be present at the contact details provided by the Challenges organisers. Remote participation is not allowed.

The Hackathon will take place in the same way in all the countries where the "Country Challenges" will take place, but these "Country Challenges" may be asynchronous, if necessary, in order to adapt to the schedules, calendars and working time rules of each country. Schedule adjustments may therefore be defined locally.


1/ Country Challenges

The various projects will be presented orally, in the local language, in the form of a pitch of a few minutes (3 to 5 minutes) and possibly a prototype, accompanied by visual aids (PowerPoint or other). This presentation will be followed by a question-and-answer session with the members of the jury.

2/ The European Challenge

The winning teams from the Country Challenges will give an oral presentation of their project in English. Teams will have approximately ten (10) minutes each to make their presentation, which may be accompanied by visual aids (PowerPoint or other) and possibly a prototype. The members of the jury may briefly ask each team a few questions.

3/ Designation of the winners

The winning projects in the various Challenges will be decided by a majority of the members of the Juries.

The Juries will be made up of Groupe Lefebvre Sarrut employees and external (customers and partners).

The juries are sovereign in their deliberations, according to the criteria they deem, at their discretion, most relevant.. The assessment will be based on criteria common to all "Country Challenge" countries.


Groupe Lefebvre Sarrut and all its Affiliated companies take respect for the privacy and protection of its customers' and Hackathon Participants' personal data very seriously. they undertake to implement appropriate measures to ensure the protection of personal data (hereinafter the "Data") and to process and use such data in compliance with the applicable provisions and in particular European Regulation 2016/679 of 27 April 2016 known as the "General Data Protection Regulation (GDPR)", Law no. 78-17 of 6 January 1978, as amended, in its most recent version in force, known as the "Data Protection Act", as well as any applicable national and European provisions supplementing them (hereinafter the "Regulations").

Terms beginning with a capital letter in this article have the meaning attributed to them by the Regulations, with the exception of terms defined herein.

In the context of the Purposes described below, the Organiser collects and processes the following Personal Data: surname, first name, e-mail address, telephone number; (i) for Participants who are external to entities of the Lefebvre Sarrut Group: postal address, higher education establishments and courses pursued, and, in the event of earnings, bank details; (ii) for Participants who are employees of entities of the Lefebvre Sarrut Group: entity to which they are attached, job title, e-mail address.

The Data is processed by the Lefebvre Sarrut company (the Organiser) acting as Data Controller for the Hackathon. The Organiser undertakes to only use the Personal Data to which it has access for the following processing purposes ("Processing Purposes"):

- Management of Participants' registrations ;

- Management of the teams and projects submitted to the Hackathon;

- Management of access to content and tools made available to Participants as part of the Hackathon;

- Payment or delivery of prizes and awards.

In its capacity as Data Controller, the Organiser shall retain Personal Data for the period necessary to achieve the aforementioned Processing Purposes. The Publisher undertakes to implement the means necessary to comply with the obligations arising from the Regulations and in particular to :

- process the data in accordance with the purposes corresponding to the operations necessary for the smooth running of the Hackathon and its Challenges;

- implement measures to ensure the security and confidentiality of Personal Data

- ensure that subcontractors and partners comply with their obligations under the Regulations, particularly in the event of data transfers outside the European Union.

All individuals have the right to access, rectify, delete and port their Personal Data, as well as the right to limit and object to the processing of their Personal Data and to organise what happens to their Personal Data after their death.

Data Subjects may exercise their rights by sending their request to the Data Protection Officer at the following e-mail address:

Contact details for the Data Protection Officer:

In addition, in the context of external participations, the Organiser, having regard to the objectives of developing new products and services underlying the Hackathon, wishes, on the basis of its legitimate interest, and subject to the Participants not objecting, to retain data (surname, first name, postal and electronic contact details, course of study followed, project during the Hackathon) in order to contact them with a view to future employment opportunities in the entities of the Lefebvre Sarrut Group. This personal data will be kept for one (1) year from the end of the Hackathon and will be available to Groupe Lefebvre Sarrut's Affiliated companies.

Participants may object to this Processing by sending their request to the following e-mail address:

In the event of any difficulty in the management of the personal data of Participants in the Competition, they may lodge a complaint with the CNIL.


The Participants authorizes the Organiser and its Affiliates, free of charge, (hereinafter "Authorization(s)"):

- to use his/her surname and/or first name and the description of the project(s) proposed as part of the Hackathon;

- to publish all photographs, images, voices and videos taken during the Hackathon days and events;

- to use any audiovisual and/or sound recordings taken during the Hackathon (image and sound or image or sound separately, in extracts and/or in full) taken during the Hackathon.

These Authorizations are given exclusively for the purposes of advertising or promoting the Hackathon and in particular through the Organizer's and Affiliates' websites, social networks (in particular LinkedIn, Youtube, or equivalent), or in all press releases, press articles, promotional documents or brochures relating to the Hackathon, by all means and all media, internal or external to the Organizer and Affiliates (Cf. posters, closed-circuit video screens in Groupe Lefebvre Sarrut establishments), excluding however any advertising campaign involving the purchase of advertising space by the Organiser or its Affiliates, for a period of one (1) year from registration for the Hackathon, for the territory of the European Union.

The Organiser must mention the surname and first name of each Hackathon Participant when it is used for media purposes or to promote the Hackathon.

The Participants may benefit from a communication of their Projects through media actions initiated by the Organiser and Affiliates. The Participants shall make their best efforts, during the year following the prize-giving date, to respond to the Organiser's requests with a view to promoting the Participant's Projects.


  • Guarantees

All names or brands mentioned in these Rules, on the Groupe Lefebvre Sarrut websites or on any communication medium relating to the Hackathon, remain the exclusive property of the Organiser, its Affiliates or their registrant.

The Participants guarantee that they freely dispose of all intellectual property rights (in particular copyright and related rights) attached to their project for the purposes of participating in the Hackathon. They declare that their project does not infringe, in whole or in part, copyright, third party rights or any other provision of the law in force and therefore assume full responsibility for this project.

The Participants acknowledge that they are informed that they will be held solely responsible in the event of inaccuracy of this declaration and breach of their warranty obligation, the Organiser and the Affiliates being guaranteed against any recourse by any third party in this respect.

  • Property

All data, information and content made available to Participants as part of the Hackathon are and remain the intellectual property of the Organiser and/or its Affiliates.

For the exclusive purposes of the Hackathon, Participants are granted the rights of use, to reproduce and representation necessary for the completion of their project.

  • Assignments

By accepting the Rules and taking part in the Hackathon, all Participants, whether winners or not, grant the Organiser and/or its Affiliates a unilateral promise to assign all or part of the intellectual property rights associated with the projects presented during the Challenges.

This promise is subject to the following cumulative rules:

- The Organiser will benefit from a unilateral promise of exclusive assignment for a period of twenty-four (24) months from the end of the Hackathon, i.e. the date of the designation of the winning team of Participants in the "European Challenge";

- It is understood that the Affiliated companies of Groupe Lefebvre Sarrut may benefit from this promise of assignment at their own discretion;

- The Organiser, or the Affiliate, will notify the Participant(s) in writing of its intention to exercise this promise to sell;

- Negotiations will take place in good faith between the parties concerned;

- If the parties agree, the amount of the prize may be considered as part or all of the purchase price.

In the event that the Organiser or its Affiliates expressly notify the Participants in writing that they waive or do not wish to benefit from this promise to assign, the Participants shall once again be free to enter into discussions with third parties in order to begin a collaboration based on the Project.

The creations and intellectual property rights generated by the contributions of employees of Groupe Lefebvre Sarrut and its Affiliates as part of their participation in the Hackathon are ruled by the provisions of their work contract and the regulations applicable to them in this area.


Participants take part in the Contest at their own risk.

The Participant is solely responsible for the content of the elements developed and transmitted in the context of the Game and declares that the latter comply with the legislation in force, particularly with regard to the intellectual property rights of third parties.

During the Contest, it is the responsibility of each Participant to take all appropriate measures to protect his/her own data and/or software stored on his/her computer equipment against any attack. The Organiser and/or the Partners may not be held liable in this respect.

Nor shall the Organiser be held liable for any damage caused by Participants to third parties or to the rights of third parties.

The Organiser's liability is strictly limited to the delivery of the prize effectively and validly won by each Winner. The Organiser may not be held liable for any incidents that may occur as a result of the use of the prizes awarded.

The Organiser may cancel all or part of the Hackathon if it appears that fraud has occurred in any form whatsoever, in particular computer fraud in the context of participation in the Hackathon or the determination of the Winners. In such a case, it reserves the right not to award the prize to fraudulent Winners and/or to prosecute them before the competent courts, as well as to prosecute any other fraudster. It shall not, however, incur any liability whatsoever towards Participants as a result of any fraud that may be committed.


For the purposes of the "Country Challenges", the Organiser provides Participants with data, information or digital content and services accessible by various means (web access, API, etc.), connections to the Internet network (Ethernet, Wi-Fi, etc.), hereinafter referred to as "Resources".

Participants may only use and access these Facilities for the purposes of the Country Challenges. They may not therefore collect, record/duplicate, transfer to any removable medium, modify, analyse, disclose, transmit to one or more third parties or delete these Means other than in accordance with the conditions and indications provided by the Organiser and its Affiliates during the Challenges or the conditions of use of the Means communicated during the said "Country Challenges".

Any use that does not comply with the Rules and the conditions of use of the Means shall render the Participants liable. The Organiser and its Affiliates will use all legal means at their disposal to assert their rights and compensate for any prejudice thus suffered.


The Organiser, or its Affiliates, shall not be held responsible, in a general manner, in the event of force majeure disrupting or preventing the organisation and management of the Hackathon, such that it is shortened, extended, postponed, modified or cancelled.

For the purposes of the present Rules, force majeure means any event meeting the criteria usually retained by French law and jurisprudence.


The hackathon must remain a friendly and ethical event. Participants undertake to respect these principles and acknowledge in particular that any action aimed at hindering the progress of other Participant teams is not authorized. The Organiser reserves the right to disqualify, exclude from participation in the Hackathon or not award a prize to any team or Participant who does not respect these principles.

The Organiser reserves the right to exclude and use any recourse against a Participant who has committed damage or theft during the Hackathon. The same applies to a Participant who has cheated, defrauded, rigged or disrupted the Hackathon or attempted to do so.

Any person attempting to damage the premises and all the resources and means made available to Participants by the Organiser will be liable to prosecution.

The consumption of alcohol during the Hackathon is prohibited. The Organiser reserves the right to exclude any Participant whose behaviour or attitude is likely to undermine the smooth running of the event.

Participants are responsible for the legal and financial consequences of any damage caused by them.



If any one of the stipulations were to be declared null and void, it would be deemed unwritten but would not entail the nullity of the present Rules, all the remaining stipulations of which would retain all their force and scope.

The Participants unreservedly admit that the simple fact of taking part in the Hackathon obligatorily subjects them to French law, in particular for any dispute which may arise as a result of the Hackathon which is the subject hereof or which may be directly or indirectly linked thereto, without prejudice to any conflict of laws rules which may exist.

In the event of any difficulty or dispute of any kind relating to the Rules or arising during the Hackathon, and before any legal proceedings, the Participant(s) and the Organiser undertake to meet and try to find an amicable solution.


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