2024年08月11日
特許が切れている発明から見て進歩性があれば特許が取れるか？【リライト版】
ただ、こんな発想もあるんだと勉強になります。
質問の意図を推測しながら回答してみます。
特許Ａからみて進歩性があれば特許を取れるものなのでしょうか？
ただ、この質問はややあいまいです。
オリジナル性があると言ってもいいでしょう。
✔その内容ずばりなら新規性はない
✔その内容と違いが少ないと進歩性はない
この特許発明から見て進歩性がある発明については、特許は取れます。
★この点が本質問であいまいな点
そうでなければ、特許は取れません。この点はご注意ください。
✔「すべての」公知発明から見て進歩性がある発明である必要がある
以下のような判断をすることができます。
（例：ジェネリック医薬品）
本質問の意図は、このことが知りたかったのかも知れませんね。
以下のようなものは「自由技術」とも言われます。
✔公知技術（特許が切れた発明を含む）から見て進歩性のない発明
本記事のようなふわっとした質問でも、いろいろお答えします！
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東雲特許事務所（しののめ特許事務所）
弁理士 田村誠治（元特許庁審査官）
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音は出ませんのでぜひご覧ください
＜機械翻訳＞
Can a patent be obtained if an invention has inventive step in comparison to an invention whose patent has expired? [Rewritten version]
On the Internet, we see various questions about patents.
Some of the questions themselves are vague.
However, it is instructive to know that there are such ideas.
In this article, we will answer some somewhat vague questions.
We will try to answer while guessing the intention of the question.
(Q) Patent A was applied for more than 20 years ago, and the patent has expired.
If an invention has inventive step in comparison to patent A, can it be patented?
(A) If we are only looking at it in relation to patent A, then yes, a patent can be obtained.
However, this question is somewhat ambiguous.
<Explanation>
An invention that does not have inventive step in comparison to a publicly known invention cannot be patented.
Inventive step means that there is a big difference from a publicly known invention.
You can also say that it has originality.
Patent A also falls under this publicly known invention.
Even if the patent has expired, it is still a publicly known invention.
✔If the content is precise, there is no novelty.
✔If the content is not different from the content, there is no inventive step.
Therefore, if we are only talking about the relationship with Patent A, we can obtain a patent.
If the invention is inventive in the light of this patent invention, we can obtain a patent.
However, of course, there are countless "publicly known inventions" other than Patent A.
★This point is ambiguous in this question.
It must be an invention that is inventive in the light of "all" publicly known inventions.
If it is not, you cannot obtain a patent. Please be careful about this point.
Here are two related points.
✔(1) Investigate all publicly known inventions!
✔(2) It is possible to make something whose patent has expired!
■(1) Investigate all "publicly known inventions"!
As mentioned above,
✔It must be an invention that is inventive in the light of "all" publicly known inventions.
What should I do?
You can ask a patent research specialist to conduct a patent search.
You can conduct a patent search for the invention you want to patent.
You can make the following judgments.
① You can judge that the invention is likely to be patentable.
② You cannot obtain a patent unless you improve the invention.
③ Put the patent acquisition on hold. Focus on another invention.
■(2) It is possible to make things whose patents have expired!
Patent A's patent has expired because it was applied for more than 20 years ago.
It is possible to make things whose patents have expired.
(Example: Generic drugs)
This may be what the questioner wanted to know.
The following things are also called "free technology".
✔Publicly known technology (including expired inventions)
✔Inventions that do not have an inventive step compared to publicly known technology (including expired inventions)
Free technology cannot be suppressed by another patent later.
■Please feel free to send in any ambiguous questions
I tried to answer ambiguous questions while guessing the intention of the question.
Even if the question itself is ambiguous, I learned that there are such ideas.
✔Patents are difficult, so it's hard to ask questions
✔I don't know what to ask
If you're one of those people, don't worry and feel free to ask us any questions.
We'll answer all your questions, even if they're vague, like the ones in this article!
