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Build, License, or Both: How a Fabless Chip Startup Used Market Research and IDIs to Decide Which Core IP to Develop Internally and Which to License

Build, License, or Both: How a Fabless Chip Startup Used Market Research and IDIs to Decide Which Core IP to Develop Internally and Which to License

Executive Snapshot

Client

Fabless Semiconductor Startup, United States

Situation/Challenge

The client was designing its first commercial chip and faced a foundational decision affecting both timeline and long-term competitive position: which core IP blocks to license, and which to develop internally as a differentiator. Engineering leadership wanted to build internally to maximise differentiation, while the commercial team worried internal development would delay the product past its funding runway.

Objective

Commission an independent semiconductor IP market research report establishing licensing cost, quality, and time-to-market benchmarks across the chip's IP categories, then conduct structured IDIs with IP vendors, peer design teams, and investors to resolve the decision for each category.

Constancy Researchers Solution

Market Research Reports combined with Primary Research & VoC through In-Depth Interviews (IDIs) — a Global Semiconductor IP Market Report covering licensing economics and quality benchmarks by IP category, paired with 24 structured IDIs across IP vendors, peer fabless design teams, and the client's investor group.

Impact

Market research confirmed that licensing was the considerably faster and lower-risk path for several foundational IP categories the client had assumed it would need to build, while IDIs with peer design teams revealed that internal development of one specific IP block had become a genuine source of competitive differentiation worth the additional development time.

Client Outcome

The client licensed the majority of its foundational IP blocks, redirecting internal engineering effort to the single IP category research and peer interviews confirmed as the most credible source of competitive differentiation, and brought its first chip to tape-out approximately five months faster than the original all-internal development plan would have allowed.

The Situation / Challenge

Fabless semiconductor companies face a foundational build-versus-license decision for nearly every IP block, and the consequences of getting it wrong compound considerably for an early-stage company with a limited funding runway. Licensing established IP typically offers faster time-to-market and lower risk, since it has already been silicon-proven, but it also means competitors with the same access can achieve comparable capability.

The client’s engineering leadership, drawn from larger semiconductor companies with substantial internal IP resources, favoured building as much core IP internally as possible. Commercial and investor-facing leadership were considerably more concerned about the limited funding runway and the real risk that extensive internal development would delay the first product past the point of securing the next round.

Neither perspective was unreasonable in isolation, but the company had not systematically examined which IP categories genuinely warranted internal development versus which were commodity capabilities where licensing would deliver equivalent outcomes faster.

Key Challenges

  • No independent market research establishing licensing cost and time-to-market benchmarks across the chip’s required IP categories
  • No structured way to distinguish categories where internal development could create differentiation from those where licensing would deliver equivalent outcomes faster
  • No direct intelligence from peer fabless teams about their own build-versus-license decisions and how those decisions affected time-to-market
  • Internal disagreement between engineering favouring broad internal development and commercial leadership concerned about funding runway, with no resolution mechanism
  • Limited visibility into how the client’s own investors viewed the trade-off relative to the committed funding timeline
  • Board and investor expectation that the decision be grounded in independent evidence rather than engineering preference alone

The build-versus-license decision in semiconductor IP is rarely a single company-wide choice. The more useful framing treats each IP category as its own independent decision, evaluated against where genuine differentiation is achievable and where licensing delivers equivalent outcomes without the time and risk of internal development.

Constancy Researchers Solution

Constancy Researchers structured the engagement around evaluating the build-versus-license decision separately for each major IP category, rather than as a single binary choice, bringing in direct peer and investor perspective to test each internal team’s assumptions.

Global Semiconductor IP Market Sizing & Licensing Economics by Category
  • Delivered a market research report covering the global semiconductor IP licensing market, establishing typical cost structures and integration timelines across each major category.
  • Identified that several categories the engineering team had assumed would require internal development were well served by mature, licensable IP with shorter integration timelines.
In-Depth Interviews (IDIs) with Semiconductor IP Vendors
  • Conducted 8 IDIs with IP vendors across the relevant categories, exploring licensing terms and the realistic differentiation a licensee could still achieve building on licensed IP.
  • Found that several vendors offered meaningful customisation flexibility within their licensable blocks, suggesting licensing did not foreclose the differentiation opportunities engineering feared losing.
In-Depth Interviews (IDIs) with Peer Fabless Design Teams
  • Conducted 10 IDIs with leadership at peer design teams who had made comparable decisions on their own first chips, exploring what they would do differently in retrospect.
  • Peer teams consistently identified one IP category, tied to their chip’s core differentiation, where internal development had paid off, describing development of commodity-adjacent categories as avoidable delay.
In-Depth Interviews (IDIs) with Investor Group
  • Conducted 6 IDIs with investors to understand how they weighed the trade-off against the funding runway and the milestones required for the next round.
  • Investors consistently prioritised time-to-market within the current runway over broader, harder-to-evaluate differentiation from internal development.
IP Category Decision Framework & Development Roadmap
  • Synthesised findings into a category-by-category recommendation, identifying the IP category most clearly tied to core differentiation as the priority for internal development.
  • Delivered a revised roadmap licensing the majority of foundational categories while concentrating internal effort on the category confirmed as the most credible differentiator.

The engagement resolved a disagreement argued in the abstract, replacing it with a specific, category-by-category decision grounded in market evidence, vendor flexibility, peer experience, and investor priority.

Impact

  • Market research confirmed several foundational categories were well served by mature, licensable IP with considerably shorter integration timelines
  • IP vendor IDIs revealed meaningful customisation flexibility within licensable blocks, addressing engineering leadership’s differentiation concerns
  • Peer design team IDIs identified a consistent pattern: internal development paid off for one differentiating category but caused avoidable delay elsewhere
  • Investor IDIs confirmed time-to-market within the funding runway was prioritised over broader internal IP development
  • The category-by-category framework replaced an all-or-nothing debate with a specific, evidence-based decision for each IP block
  • Internal engineering effort was concentrated on the single category confirmed as the most credible source of differentiation
  • The majority of foundational categories were licensed, considerably accelerating the overall development timeline
  • The client reached tape-out approximately five months faster than the original all-internal development plan would have allowed

Client Outcome

Timeline Acceleration

The client reached tape-out approximately five months faster than the original all-internal plan, directly preserving funding runway.

Differentiation Focus

Internal engineering effort was concentrated on the single category confirmed as the most credible source of long-term differentiation.

Licensing Efficiency

The majority of foundational categories were licensed from vendors offering mature, silicon-proven blocks with meaningful flexibility.

Internal Alignment

A prolonged disagreement between engineering and commercial leadership was resolved with a specific decision rather than abstract debate.

Investor Confidence

The revised roadmap directly addressed the time-to-market priority investors identified as critical to the next funding milestone.

Risk Reduction

Licensing mature IP for commodity-adjacent categories reduced technical risk internal development would have introduced without a clear benefit.

Peer-Informed Strategy

Direct insight from peer teams' retrospective experience shaped which category was worth the additional development time.

Vendor Relationship Clarity

IP vendor IDIs clarified the genuine customisation flexibility available, informing both this decision and future negotiations.

Market Positioning

The client was repositioned as a disciplined design team making decisions through evidence and peer experience rather than preference alone.

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