Immunology Phase 1 Deal Benchmarks — Japan (2026)

Median upfront of $15M with total deal values reaching $199M in Japan territory.

Median Upfront

$15M

Total Deal Value

$137M

Royalty Range

4.5%–7.8%

Territory Multiplier

0.09x

Understanding Immunology Deal Benchmarks at Phase 1

Phase 1 Immunology licensing deals in Japan territory command a median upfront payment of $15M, with values ranging from $7M at the low end to $23M for premium assets. These benchmarks reflect the risk-adjusted value of clinical-stage assets in the immunology therapeutic area, where development costs, competitive dynamics, and market potential all factor into deal pricing.

Total deal values — including milestones for development, regulatory, and commercial achievements — range from $75M to $199M, with a median of $137M. Royalty rates for immunology assets at this stage typically fall between 4.5% and 7.8% of net sales, reflecting the balance between licensor value contribution and licensee commercialization investment.

The Japan territory applies a 0.09x multiplier to base deal economics. This accounts for market size, regulatory complexity, pricing environment, and competitive landscape differences across geographies. Licensors negotiating japan rights should calibrate upfront expectations and milestone structures accordingly.

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Comparable Deals

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View 1 comparable Immunology transactions with upfront payments, total values, and deal structures.

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Frequently Asked Questions

What is the average upfront payment for Phase 1 Immunology deals in Japan territory?

The median upfront payment for Phase 1 Immunology licensing deals in Japan territory is $15M, based on our analysis of comparable transactions. Values range from $7M for early-stage or less differentiated assets up to $23M for premium programs with strong clinical data or first-in-class mechanisms.

How does Japan territory affect Immunology deal value?

Japan rights carry a 0.09x multiplier relative to base deal economics. This means japan immunology deals are valued at a discount compared to single-country rights, reflecting the combined market opportunity, regulatory pathway, and competitive dynamics of the territory.

What royalty rates are typical for Phase 1 Immunology licensing?

Royalty rates for Phase 1 immunology assets typically range from 4.5% to 7.8% of net sales. The exact rate depends on the licensor's contribution (IP, clinical data, manufacturing), deal structure (exclusive vs. co-exclusive), and the licensee's commercialization investment. Higher royalties often correspond to lower upfront payments, and vice versa.

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Cite This Data

APA

Ambrosia Ventures. (2026). Immunology Phase 1 Deal Benchmarks — Japan (2026). Retrieved from https://calculator.ambrosiaventures.co/data/immunology-phase-1-deals-japan

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<a href="https://calculator.ambrosiaventures.co/data/immunology-phase-1-deals-japan">Immunology Phase 1 Deal Benchmarks — Japan (2026)</a> — Ambrosia Ventures (2026)

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Data sourced from 1,900+ verified biopharma transactions. Updated monthly.

Metric	Low	Median	High
Upfront Payment	$7M	$15M	$23M
Total Deal Value	$75M	$137M	$199M
Royalty Rate	4.5%	—	7.8%