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Konami and Cygames Settle Umamusume: What the Patent Truce Means for Players, Creators, and the Gacha Industry

  • Writer: Iqbal Sandira
    Iqbal Sandira
  • Oct 29, 2025
  • 5 min read

Konami and Cygames Settle Umamusume—six words that instantly cooled one of Japan’s most-watched game-industry legal battles. After nearly two years of litigation and patent-office sparring, Konami Digital Entertainment and Cygames have reached an amicable settlement over alleged patent infringements tied to Umamusume: Pretty Derby, the hit mobile/PC title where legendary racehorses are reborn as idol-like “horse girls.” While the specific terms remain confidential, both companies say they’ll “respect each other’s creative works” and move forward. For fans, that means service continues; for developers, it’s a teachable moment about patents, game systems, and risk management in live-ops titles.

Below, we unpack the timeline, the disputed terrain, why settling now was rational for both sides, and what the détente signals for the broader gacha and sports-management genres.


A Quick Timeline of the Dispute

  • March 2023 — Konami files suit in the Tokyo District Court, alleging Umamusume: Pretty Derby infringes 18 patents. It reportedly seeks an injunction (halt to distribution and operation) and damages exceeding ¥4 billion (roughly USD $26–29 million at the time).

  • 2023–2024 — Cygames (and parent CyberAgent) denies infringement and files invalidation trials against each of the 18 asserted patents, signaling a full-court press both in court and at the Japan Patent Office (JPO).

  • 2025 — The parties announce a confidential settlement. Cygames reiterates it “remains confident no infringement occurred,” but chose to resolve the case “to ensure that players can continue to enjoy Umamusume in the long run.”

The confidentiality clause means we won’t see a public list of which claims were narrowed, dropped, licensed, or carved out. But the public statements do confirm the essentials: the civil action and the patent-office challenges are wrapped, Umamusume continues, and neither side is publicly gloating. That last point matters—mutual respect messaging tends to accompany settlements that prioritize ongoing business and reputational stability over courtroom “wins.”


What Was (Probably) at Stake

Neither party disclosed which mechanics were implicated, but public reporting and industry chatter repeatedly pointed to training/management systems—the beating heart of sports and life-sim games. Konami’s long track record spans Powerful Pro Baseball, Tokimeki Memorial, and other titles that mix time-table progression, event triggers, support-character influence, and stat growth into compelling loops. Umamusume blends a similar flavor—scenario-based training cycles, support cards/characters, and probabilistic event outcomes that influence performance.


To be crystal clear: similar does not equal infringing. Patent law is about specific, claimed inventions, not general ideas. Two systems can feel alike at the UX level and still avoid infringement if the protected claim elements aren’t met, or if those claims are later invalidated or narrowed. Cygames’ aggressive invalidation strategy suggests it believed prior art (earlier games, papers, or filings) weakened some or all of the asserted claims.


Why “Konami and Cygames Settle Umamusume” Now?

Settlements like this are business calculus:

  1. Player continuity over courtroom uncertaintyUmamusume is a live-service juggernaut with scheduled banners, story scenarios, concerts, and collaborations. Even a low-probability injunction can’t be risked when your game is a cultural pillar and a revenue driver. A settlement buys certainty.

  2. Patent litigation is a marathon, not a sprintParallel tracks (district court + JPO invalidations) are costly and slow. Either side could have “won” certain claims and “lost” others. A negotiated outcome avoids a patchwork, years-long grind—and the risk of adverse precedent.

  3. Reputation and industry diplomacyBoth statements emphasize respect. Today’s adversary is tomorrow’s partner in licensing, co-publishing, or cross-media ventures. Public civility preserves optionality.

  4. De-risking global expansionAs Umamusume reaches new markets, a hanging legal sword complicates platform approvals, ad partnerships, and merchandising. Clearing the air simplifies growth.


What It Means for Players (TL;DR: Good News)

  • No shutdown: Service continues “as usual,” with events, scenarios, and banners proceeding.

  • Content cadence protected: Large live-ops teams plan months ahead. Settling before holiday seasons and half-anniversaries keeps the pipeline intact.

  • No “mechanic amputations”: While we can’t see the terms, a post-settlement live-ops plan implies there’s no immediate need for drastic system overhauls that would upend the experience.

If you’re grinding new “Career” scenarios or farming shards for a favorite runner, keep going. The legal turbulence has, for all practical purposes, passed.


What It Means for Developers and Publishers

The headline “Konami and Cygames Settle Umamusume” doubles as a compliance memo for anyone shipping systems-heavy games:

  1. Patent landscapes matter—even for “generic” loopsTime-table training, event trees, support unit influence, and scenario resets feel ubiquitous, but specific implementations can be patented. Studios should budget for freedom-to-operate (FTO) analyses when designing core loops in patent-dense genres (sports management, CCGs, idle/incremental, gacha).

  2. Design to differentiate earlySmall architectural choices—how state is stored, how branching is resolved, how support interactions are computed—can matter in claim charts. Creating clear deltas (and documenting them) saves pain later.

  3. Keep prior art receiptsInternal whitepapers, prototypes, and dates matter when challenging patents. Systematically archiving your research trail (including classic games that predate asserted claims) can be gold at the JPO or in court.

  4. Parallel strategy is normalIf sued, expect a two-front war: invalidate at the patent office while litigating in court. This often nudges settlements when claim scope looks shakier under scrutiny.

  5. Respectful settlements preserve bridgesThe tone of both press releases is a case study. Even when you believe you’re 100% right, stakeholders (platforms, licensors, co-dev partners) appreciate de-escalation that keeps ecosystems stable.


Reading the Tea Leaves: Possible Settlement Shapes (Speculative)

Because terms are confidential, the industry is left to educated guesses about the contours:

  • Cross-license or covenant not to sue on specific claim families, allowing Umamusume to operate, and Konami to preserve patent value for other contexts.

  • One-time or staged consideration (payment) bundled with mutual public-respect statements and no admission of liability.

  • Scope clarifications that inform future updates—quiet, under-the-hood tweaks that keep everyone comfortable without visible feature removals.

Any of the above let both companies “win” their priorities: continuity for Cygames, patent integrity for Konami, and peace for the market.


Impact on the Gacha and Sports-Management Meta

The cease-fire will echo beyond horse girls:

  • For gacha studios: Expect more internal patent reviews around progression, pity, selector banners, support-card synergies, and training cycles. Popular loops beget crowded patent thickets.

  • For sports and life-sim devs: Management systems are now confirmed “hot zones.” Legal will likely sit in earlier on design milestones.

  • For cross-media IP: When an interactive hit feeds anime, concerts, and merchandise, the legal tolerance for uncertainty is near zero. Settlements become the rational default.


Frequently Asked Questions

Does the settlement prove Umamusume infringed?No. Settlements are not admissions. Cygames explicitly reiterated confidence that it did not infringe. Both sides simply chose business certainty over litigation risk.


Will gameplay change?There’s no indication of imminent mechanical removals. If any behind-the-scenes adjustments occur, they’re likely subtle and compatibility-preserving.

Could we see future collaboration?Never say never. Japan’s game industry is famously interconnected. Today’s détente keeps doors open—for licensing, events, or even shared tech.


What about the 18 patents—were they invalidated?We don’t know. Invalidation petitions were filed, but the final settlement wraps the whole dispute, including those challenges. Some claims might have been narrowed, some left alone, some licensed—details are sealed.


The Bigger Picture: Why This Headline Matters

Konami and Cygames Settle Umamusume” is more than legal housekeeping—it’s a signal that system patents are board-room issues in live-service gaming. The case turned on core loops that feel foundational to the genre, reminding everyone that implementation details are protectable and that healthy ecosystems sometimes require quiet compromises.


For players, the outcome is simple: Umamusume: Pretty Derby races on. For creators, the takeaway is disciplined design hygiene—document differences, know the prior art, and keep counsel in the room when you reinvent a beloved loop. For the industry, the settlement is a relief valve, releasing pressure without setting a bomb that could have blown up a genre.


In other words, the best possible ending: no dead game, no scorched earth, and a practical reminder that great design and good governance go hand in hand.


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