Reproducing bronze sculptures without proper authorization can lead to significant legal consequences under copyright and intellectual property laws. Copyright protection typically extends to original artistic works, including sculptures, granting the creator exclusive rights to reproduce, distribute, and display their work. Unauthorized reproduction, even with minor modifications, may constitute infringement, potentially resulting in lawsuits, fines, or seizure of the copied works.

The duration of copyright varies by jurisdiction but often lasts the artist's lifetime plus several decades. After this period, the work enters the public domain, allowing reproduction without legal repercussions. However, even then, moral rights—such as attribution—may persist, depending on local laws.

Intellectual property laws also protect sculptors' economic and creative interests. For instance, selling unauthorized replicas can dilute the original artist's market and harm their reputation. Courts often assess factors like the purpose of reproduction, the amount copied, and its impact on the original's value when determining infringement.

To avoid legal risks, always seek permission from the copyright holder or verify the work's public domain status. Licensing agreements or collaborations with living artists can provide lawful pathways for reproduction. Understanding these legal nuances is crucial for collectors, artists, and galleries to navigate the complex intersection of art and law responsibly.