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Used GPL Library in Commercial Product — Am I Required to Open Source Everything?

Started by gpl_commercial_panic · Nov 25, 2025 · 6 replies
For informational purposes only. This is not legal advice.
GC
gpl_commercial_panicOP

Looking for advice on this situation. Used GPL Library in Commercial Product - Am I Required to Open Source Everything? Any guidance would be greatly appreciated.

Details: I'm in a situation where I need to understand my legal options. Has anyone dealt with something similar?

CS
ConstructionLawyer_SDAttorney

Fair use is one of the most misunderstood concepts in IP law. It's a defense, not a right. You can't know for certain whether something is fair use until a court rules on it. The four-factor test is inherently case-specific.

NF
new_founder_denver

Before sending any cease and desist, make sure you actually own the IP you're claiming. I've seen cases where the person sending the C&D didn't have standing because they never properly registered the copyright.

SA
SarahConsumerRights

Before sending any cease and desist, make sure you actually own the IP you're claiming. I've seen cases where the person sending the C&D didn't have standing because they never properly registered the copyright.

AI
Amanda_IPLawAttorney

Before sending any cease and desist, make sure you actually own the IP you're claiming. I've seen cases where the person sending the C&D didn't have standing because they never properly registered the copyright.

KM
KellyMartinez_ModModerator

Good discussion. Tagging this for the resource library.

GC
gpl_commercial_panicOP

Update: Thanks everyone for the guidance. I consulted with an attorney and we're moving forward. The advice here helped me understand what questions to ask and what to expect. Will update when there's a resolution.

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