Usually follow the preponderance of evidence (przewaga prawdopodobieństwa). If your version is 60–70% more likely than the other party's, the court may rule in your favor.
The standard is much higher—guilt must be proven beyond a reasonable doubt . 3. Practical Tips for Preparation MateriaЕ‚ dowodowy
Witness testimonies, explanations from the accused, and expert opinions. explanations from the accused
Legal practitioners suggest the following steps for gathering your material: Evidence - Polish Private Law MateriaЕ‚ dowodowy
DNA samples, fingerprints, photos, and recordings. 2. Civil vs. Criminal Standards
The "weight" of evidence required differs significantly between the two: