└ 特許全般
2026年05月29日
他社の特許の権利範囲と、自社で製造販売できる製品との関係【リライト版】
その特許の権利範囲よりちょっと広い範囲(B)を考えます。
(B)には(A)の発明から「容易に発明できるもの」も含みます。
(ここでは製品と発明は区別しないことにします。)。
ライセンス契約した場合はもちろん、その他の場合もあります。
家庭内だけ、個人的な趣味の範囲などであれば、その物を作れます。
アイデアとしてほとんど同じような製品であっても作れます。
すべての特許との間でこの関係が成り立たないと、特許は取れません。
特許を出す前に特許調査(★)を十分に行うことをお勧めいたします。
明確でないものは、特許が拒絶されます(特許法第36条)。
弁理士は、他社の模倣防止なども意識して、適切な特許を目指します。
特許が取れるか?他社の特許を侵害しないか?など調査できます。
弊所は特許調査に特に力を入れています。お気軽にご連絡ください。
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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)
【東京都港区新橋】【東京都中央区八丁堀】【東京都北区田端】
【稀有な経歴】特許技術者→特許庁審査官→特許事務所運営
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個人発明家・小規模事業者専門の東雲(しののめ)特許事務所
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https://youtu.be/sJgjSOk72i4
音は出ませんのでぜひご覧ください
<機械翻訳>
Relationship between the Scope of Other Companies' Patent Rights and Products Your Company Can Manufacture and Sell [Rewritten Version]
■What does "Scope" mean in patents?
The term "scope" is frequently used in patents.
When filing a patent application, it's called the "claims."
After the patent is granted, it's referred to as the "scope of patent rights" or "scope of patent rights."
What exactly is this "scope"?
Let's explain it prioritizing clarity over strict accuracy.
Consider the scope of a certain patent.
There are many products in the world.
Which products infringe on that patent? Which do not?
Then, consider the "set of products that infringe on the patent."
It's helpful to imagine a Venn diagram of the set.
That set represents the "scope" of that patent.
■Relationship between the Scope of Other Companies' Patent Rights and Products You Can Manufacture and Sell
Consider the scope of rights of another company's patent (A).
Consider a slightly broader scope (B) than that patent's scope.
(B) includes inventions that can be "easily invented" from the inventions in (A).
(Here, we will not distinguish between products and inventions.)
① Products included in Scope (A)
You cannot manufacture or sell these products yourself.
However, you may be able to manufacture or sell them if you have legitimate rights.
This includes not only license agreements but also other cases.
② Products not included in Scope (A) but included in Scope (B)
You can manufacture and sell these products yourself.
This scope is sometimes called "free technology."
③ Products not included in Scope (B)
You can manufacture and sell these products yourself.
Furthermore, you may be able to obtain a patent for these products.
■ Points that are easily misunderstood
Let's reconfirm some of the points that are particularly easily misunderstood.
①: Even if it is included in Scope (A), you can make it if it is not for business purposes.
You can make it if it is only for personal use at home or as a hobby.
②: If it is not included in Scope (A), you can make it.
You can make it even if it is almost the same product as an idea.
③: The possibility of obtaining a patent lies in its relationship with this patent.
Unless this relationship holds true with all other patents, a patent cannot be obtained.
We recommend conducting a thorough patent search (★) before filing a patent application.
■The work of a patent attorney and patent searches
How was that?
The scope of patent rights is inherently clear.
If it is unclear, the patent will be rejected (Article 36 of the Patent Law).
Patent attorneys aim for appropriate patents, taking into account measures to prevent imitation by other companies.
Furthermore, patent attorneys can conduct patent searches (★).
They can investigate whether a patent can be obtained, whether it infringes on other companies' patents, etc.
Our firm places particular emphasis on patent searches. Please feel free to contact us.







