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   藤井太洋, Taiyo Fujii (taiyo@ostatus.taiyolab.com)'s status on Friday, 16-Dec-2022 21:19:23 JST 藤井太洋, Taiyo Fujii

   マスクにはユーザーをいつ何時、どんな理由でも凍結する自由がある（ジャーナリストの理由なき凍結はEUのDSA違反ではあるが、売り上げの6%の罰金で済む）。
   だけど競合サービスを虚偽の情報で貶めるのは公正競争法違反（UCA）なのだ、という指摘。

   そうよね。

   https://mastodon.lawprofs.org/@ericgoldman/109522250850215268

   • Embed this notice
     渡邉葉鳥 (yowatshiina@fedibird.com)'s status on Friday, 16-Dec-2022 22:02:51 JST 渡邉葉鳥

     in reply to

     @taiyo I’m a competition lawyer but what are you referring to by “UCA”? I assume “Unfair Competition Act” but that’s not US competition law.

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     藤井太洋, Taiyo Fujii (taiyo@ostatus.taiyolab.com)'s status on Friday, 16-Dec-2022 22:02:51 JST 藤井太洋, Taiyo Fujii

     in reply to

     • 渡邉葉鳥

     @YoWatShiina Isn't Unfair Competition Act a federal law?

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     渡邉葉鳥 (yowatshiina@fedibird.com)'s status on Saturday, 17-Dec-2022 10:26:06 JST 渡邉葉鳥

     in reply to

     @taiyo No. The main pillars of the competition laws in the United States on the federal level include Sherman Act, Clayton Act, the FTC Act, and Robinson-Patman Act. Competition laws protect market competition. Although Musk’s conducts are dicky, I don’t see any anticompetitive concerns (except that TW may not now have wherewithal to comply with FTC’s consent decree but that’s another story)

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     藤井太洋, Taiyo Fujii (taiyo@ostatus.taiyolab.com)'s status on Saturday, 17-Dec-2022 10:26:06 JST 藤井太洋, Taiyo Fujii

     in reply to

     • 渡邉葉鳥

     @YoWatShiina Thanks for telling a set of competition law.
     I’ve pointed about Twitter misinformed Mastodon as “harmful web” on their link management. This reminds me NetScape shown IE as malware, which was treated as anticompetitive action.

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     渡邉葉鳥 (yowatshiina@fedibird.com)'s status on Sunday, 18-Dec-2022 20:05:52 JST 渡邉葉鳥

     in reply to

     @taiyo So here’s some comments from antitrust experts. It is possible for the FTC to get interested (b/c the current Chair, Lina Khan, tends to take a novel approach & also b/c FTC Act is broader) but they would still neeed to prove TW has market power, which requires definition of the market, and it’s going to be tough b/c FB has a much bigger user base.
     https://www.cnn.com/2022/12/16/tech/mastodon-twitter-links/index.html

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     渡邉葉鳥 (yowatshiina@fedibird.com)'s status on Sunday, 18-Dec-2022 20:05:52 JST 渡邉葉鳥

     in reply to

     @taiyo Addttionally, the article is misleading because a business generally has no duty to deal with its competitors (even in the case of a monopolist, which a regulator has a tough time to argue that TW is, b/c of the market definition problem as stated above).

     Here’s a summary by the FTC about the refusal to deal:
     https://www.ftc.gov/advice-guidance/competition-guidance/guide-antitrust-laws/single-firm-conduct/refusal-deal

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     藤井太洋, Taiyo Fujii (taiyo@ostatus.taiyolab.com)'s status on Sunday, 18-Dec-2022 20:05:52 JST 藤井太洋, Taiyo Fujii

     in reply to

     • 渡邉葉鳥

     @YoWatShiina I understand what you mean. It seems hard to hit with competitive law.