IP protection


1 Please provide a short description of the state-of-the-art and/or current trends in the field? How does the result fit into it?
Cranial Electrotherapy Stimulation (CES) is the application of low-level pulsed electrical currents applied to the head for medical and/or psychological purposes. Cranial electrotherapy stimulation was first called electrosleep because it was thought to induce sleep.  The first electrical treatment was reported in Russia in 1914. This area developped very strongly in Germany and Russia after the Second world war. It is well developed in USA. 

Cranial electrotherapy stimulation devices are generally similar in size and appearance but produce very different waveforms. Researchers together with phisicians study the possibilities for treatment of different disease by the most appropriete electrical or magnetic waves.

The presented product, ESS, is on the highest research level in Bulgaria – according to the practical results in Bulgarian hospitals which were compared with the results got by most advanced in this area countries.

The developer has a lot of articles in magazines in Bulgaria and abroad.

An annual international scientific conference “Communication, Electromagnetics and Medical Application” is organized by TUS and National Technical University of Athens (NTUA) and held in Bulgaria  and in Athens.



2 What is the problem/need/knowledge gap that the research result is responding to?  How was it addressed before?
The Cranial Electrotherapy is well known and used in USA, Russia and Germany, but not in Bulgaria- only devices imported from other countries were used rarely.

In the developed devices standard engineering methods are implemented but they are used for medical purposes.


The missing was the visulalisation of the process, that is developed by Bulgarian joint researcher team from Technical University-Sofia and Medical University of Sofia. Only small series of units of the Electro – Sleeping System, produced by the development team, are used in Bulgarian hospitals.



3 What is the potential for further research?
Further research on implementation of Cranial Electrotherapy method is quite promising and it will come with the ideas of the physicians in practice. 

When the physicians acquire with the product and see the visualization of the space-temporal configuration of electrical field, they understand the process better and have new ideas for its implementation for treatment of different diseases.  The visualization of the electrical field is very useful for the physicians and allows them to control the intensity of the field and to obtain better therapeutic effect.

In the future the developer has the idea to implement magnetic stimulation in the Cranial therapy .


4 What is the potential of the research result for synergy with other research areas either in the same or in a different discipline?
The investigations on medical application of electrical  field are interdisciplinary. 

It is connected with biology, physics, electrical engineering, IT.


5 What is the proposed method of IPR-protection? (patent, license, trademark etc.)
The developer team has only research articles and publications in international journals and conferences. It would be better to apply for a patent on national and European levees. 



6 What are the steps that need to be taken in order to secure the IPR-protection? What is the cost of IPR-protection?
The steps for getting a patent on the national level are the following: 

-          Application form for a paten submitted to the National patent Institute.

-          Payment of expertise taxes.

-          It takes about 2 years to get a result. If the patent is approved the author starts paying annual taxes –  approximately 300€ .

The steps for getting a patent on the European level are the following:

-          Application form for a paten submitted to the European patent Institute.

-          Payment of expertise taxes.

-          Payment for a solicitor if needed to defend the patent

It takes about 2 years to get a result. If the patent is approved the author starts paying annual taxes –  approximately 600€ .


7 What is the expected impact of the research result? (industry, society, administration etc. and target groups of beneficiaries)
The expected impact of the product is very big: 

-          The social effect: very high because the system for Electro sleeping is used as a therapy against the effects on a human being arrived subsequently after a stress.  The stress is extremely wide spread in the recent society everywhere in the world. The ESS can be used easy ( it is user friendly)  not only in hospitals, but  after some training also by ordinary people at home.

-          For the industry the product is realized and used in the real life and has  potential for big series of production because of user friendly realization of the device and because of its high effect of therapy for many diseases.



8 What is you overall assessment of the scientific maturity of the research result?

The product is enough mature. It was produced in small series and is used successfully  in two hospitals with very good and promising results.



Please encircle as appropriate.


Scientific maturity 1 2 3 4 5√
Synergies 1 2 3 4 5√
State-of-the-art/innovation 1 2 3 4 5√
IPR-potential 1 2 3 4 5√

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