Questions tagged [public-domain]

The tag has no usage guidance, but it has a tag wiki.

Filter by
Sorted by
Tagged with
6
votes
3answers
19k views

Is an expired patent in the public domain?

From what I've been reading about US patents, once a patent has expired, it enters the public domain and can be freely used. The patent I was looking at was filed on 1/1999 and published in 10/2000. ...
1
vote
2answers
235 views

Availibility to the public domain

From my limited understanding of the patent system, if I were to invent something but I didn't file for a patent, then someone else could still patent my idea. If I want to keep my invention open, is ...
4
votes
1answer
123 views

Defensive publication and public domain

Are folks who publish design details, implementing an idea, putting that idea's implementation into the public domain? Put another way... have these publishers, whether they wanted to or not: ...
2
votes
4answers
108 views

Do patentless idea implementations published on a web site enter the public domain?

If someone publishes build instructions for an idea on their web site, and never pursues patent protection, does that idea and its implementation: Enter the public domain? If so, when? If not, why? ...
1
vote
1answer
237 views

Can an idea be released into the public domain while patent is pending?

I understand that a successful patent application can take several years from first filing to granted. I'm trying to understand what options a startup has in making progress on developing the product ...