Since its discovery nearly four decades ago, electrically conductive polymers have captured the interest of researchers and engineers all around the world. These materials have strong chemical stability, corrosion resistance, biocompatibility, and easy processing. They combine the features of polymer materials with electrical conductivity. Due to their outstanding properties, they have been applied to molecular electronics, light-emitting diodes, electrochromic devices, sensors, and rechargeable batteries. One of the most well-known electroconductive polymers, PEDOT, or poly (3,4-ethylenedioxythiophene), is frequently utilized for a variety of applications. However, PEDOT's lack of elasticity and regeneration capabilities prevents its use in wearable electronics. By developing copolymers with unique qualities and grafting flexible side branches onto PEDOT using atom transfer radical polymerization (ATRP), previously mentioned properties can be improved. The aim of the project is to synthesize the graft copolymer PEDOT-g-PCL using two different types of PCL, PPA-PCL and HEMA-PCL. The four-step synthesis starts with the synthesis of the monomer 2-(thiophen-3-yl) ethyl 2-bromo-2-methylpropanoate (ThBr), followed by the synthesis of the second macroinitiator, PEDOT-Br. The third step entailed the ATRP's synthesis of the PEDOT-g-PCL graft copolymer. Nuclear magnetic resonance (NMR), thermogravimetric analysis (TGA), and Fourier transform infrared spectroscopy (FTIR) were used to characterize the obtained materials. The synthesized graft copolymer was used to create an ink for inkjet printing on a polyurethane (PU) substrate. The 4-point probe approach was used to determine the printed layer's electrical conductivity on the substrate. The products' successful synthesis was demonstrated by the findings of the FTIR and NMR techniques, and the TG analysis was used to determine the products' thermal stability. The synthesized PEDOT-g-PCL graft copolymer has increased thermal stability since the decomposition onset temperature is greater than that of the PEDOT-Br macroinitiator. The resulting graft copolymer is conductive and belongs to the category of semiconductors.