Grant Prideco v. Baker Hughes: Drill Bit Patent Suit Dismissed Without Prejudice
Grant Prideco, alongside NOV affiliates, accused Baker Hughes of infringing three drill bit patents in the Southern District of Texas. The parties jointly stipulated to dismiss the case without prejudice after just 139 days, with each side absorbing its own legal costs — leaving the door open for future litigation.
Oilfield Drill Bit Patent Dispute Ends in No-Fault Exit After 139 Days
Grant Prideco, Inc., together with affiliated NOV entities including ReedHycalog UK Ltd, ReedHycalog L.P., National Oilwell Varco L.P., and NOV Inc., filed an infringement action against Baker Hughes Oilfield Operations, Inc. in the Southern District of Texas on 25 July 2025, asserting three patents — US8721752B2, US8910730B2, and US7568534B2 — covering drill bit technology used in the oilfield services sector. The accused products were identified as Licensed Baker Hughes Drill Bits.
The case closed on 11 December 2025 when both sides jointly stipulated to voluntary dismissal under Federal Rule of Civil Procedure 41(a)(1)(A)(ii). Critically, the dismissal was expressly without prejudice, meaning the plaintiffs retain the right to refile substantially identical claims in the future. Neither side was ordered to pay the other’s attorney fees, costs, or expenses — an arrangement consistent with a negotiated exit rather than a dispositive ruling on the merits.
The 139-day duration suggests the parties moved toward exit relatively early — before claim construction or substantive motion practice would typically conclude. The symmetric cost allocation and without-prejudice terms are consistent with a commercial resolution or licensing negotiation running in parallel, though the public record does not disclose any settlement agreement or licence terms. The underlying infringement claims remain legally live and could be reasserted if business circumstances change.
Filing to Voluntary dismissal in 139 days
139 days — resolved well under the typical 2–3 year district court patent trial cycle
Voluntarily dismissed: what the Rule 41 exit means for both parties
Rule 41(a)(1)(A)(ii): joint stipulation, no court decision on merits
A voluntary dismissal under Fed. R. Civ. P. 41(a)(1)(A)(ii) requires both parties to sign a stipulation — no judicial approval is needed and no ruling is made on infringement, validity, or damages. The court record closes, but the legal dispute is not adjudicated. Because the stipulation expressly states ‘without prejudice,’ the plaintiffs are free to refile the same claims in any court of competent jurisdiction at a future date.
No merits rulingThe public record is silent on whether a deal was struck
A dismissal ‘without prejudice’ preserves the plaintiff’s right to refile; one ‘with prejudice’ would bar those claims permanently. This stipulation is expressly without prejudice, so Grant Prideco retains full freedom to reassert these three patents. However, the public record does not disclose whether a licensing agreement, covenant not to sue, or other commercial arrangement exists between the parties — the commercial reality behind the exit is unknown from the docket alone.
Claims legally liveBaker Hughes avoids a merits judgment — but faces continued patent exposure
Baker Hughes secured no invalidity ruling, no non-infringement finding, and no fee award. While the immediate litigation risk is removed, the three asserted patents remain in force. If Baker Hughes continues to sell or develop the accused drill bit products without a licence or design-around, it remains exposed to a refiled infringement action. The without-prejudice nature of the dismissal means this case cannot be used as a prior adjudication in Baker Hughes’s favour.
No immunity grantedEarly exit signals possible licensing activity in oilfield drill bit IP
Symmetric cost-bearing and an express without-prejudice designation are hallmarks of a negotiated commercial exit — potentially a licence, a cross-licence, or an agreement to negotiate. For competitors and suppliers in the oilfield drill bit space, the continued enforceability of these three NOV/Grant Prideco patents warrants attention. Companies developing or sourcing polycrystalline diamond compact (PDC) or rotary drill bit technologies should assess their exposure to these patent families.
Watch for relicensing activityFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Grant Prideco, Inc. | Company | Oilfield drilling tools company — holder of US8721752B2, US8910730B2, and US7568534B2Search in Eureka ↗ |
| Defendant | Baker Hughes Oilfield Operations, Inc. | Company | Baker Hughes Oilfield Operations, Inc. — oilfield services and drill bit manufacturerSearch in Eureka ↗ |
| Plaintiff counsel | Abigail Claire Noebels | Attorney | Counsel for Grant Prideco, Inc.Search in Eureka ↗ |
| Plaintiff counsel | Armando Lozano, III | Attorney | Counsel for Grant Prideco, Inc.Search in Eureka ↗ |
| Plaintiff counsel | Harry Paul Susman | Attorney | Counsel for Grant Prideco, Inc.Search in Eureka ↗ |
| Plaintiff law firm | Susman Godfrey | Law Firm | Representing Grant Prideco, Inc.Search in Eureka ↗ |
| Defendant counsel | Dandee Cabanay | Attorney | Counsel for Baker Hughes Oilfield Operations, Inc.Search in Eureka ↗ |
| Defendant counsel | Nicole S Soussan | Attorney | Counsel for Baker Hughes Oilfield Operations, Inc.Search in Eureka ↗ |
| Defendant counsel | Peter John Chassman | Attorney | Counsel for Baker Hughes Oilfield Operations, Inc.Search in Eureka ↗ |
| Defendant law firm | Reed Smith LLP | Law Firm | Representing Baker Hughes Oilfield Operations, Inc.Search in Eureka ↗ |
| Presiding judge | Judge Keith P Ellison | Judge | Texas Southern District CourtSearch in Eureka ↗ |
Official order — verbatim text
The joint stipulation invokes Rule 41(a)(1)(A)(ii), which requires both parties’ signatures and takes effect without court approval. The explicit ‘without prejudice to refiling’ language is legally significant — it forecloses any argument that res judicata or claim preclusion bars a future action on the same patents. The symmetric cost allocation clause, while common in joint stipulations, reinforces that neither side extracted a concession large enough to warrant a fee-shifting demand, suggesting the exit was commercially rather than legally motivated.
US8721752B2, US8910730B2 & US7568534B2 — Oilfield Drill Bit Technology
The three asserted patents — US8721752B2, US8910730B2, and US7568534B2 — originate from application filings across 2010–2011 and cover technical aspects of drill bit design and cutting element technology used in oilfield rotary drilling. Grant Prideco, operating within the NOV group, holds a substantial IP portfolio in downhole drilling tools, and these patents represent commercially deployed technology relevant to PDC and hybrid drill bit platforms used in oil and gas exploration and production.
For the oilfield services sector, the NOV/Grant Prideco drill bit patent family carries significant competitive weight. Baker Hughes is one of the largest drill bit manufacturers globally, and the assertion of three patents simultaneously — with ReedHycalog entities as co-plaintiffs — signals that the IP position covers both the bit body architecture and the cutting element interface. Companies licensing or competing in this space should monitor IPR petition activity against these three patents, as no invalidity finding has been made.
Should you run an FTO against US8721752B2, US8910730B2, and US7568534B2?
Any company developing, manufacturing, or sourcing rotary drill bits — particularly PDC or hybrid cutter designs — for oilfield applications should assess freedom-to-operate against these three patents. The dismissal without prejudice means Grant Prideco and NOV retain full enforcement rights. The accused product category, Licensed Baker Hughes Drill Bits, suggests the patents cover commercially deployed platforms, not niche experimental designs. Product teams planning new drill bit launches or bit-body redesigns face elevated risk.
PatSnap Eureka’s FTO Search Agent can map your drill bit product specifications against the claim scope of US8721752B2, US8910730B2, and US7568534B2, identify design-around opportunities, and surface related NOV/Grant Prideco patent families that may present adjacent risk. Eureka can also monitor for new continuation filings or IPR petitions that could affect the enforceability landscape for these patents in real time.
Run a freedom-to-operate analysis on US8721752B2 to assess your product’s exposure
Run FTO in Eureka →Similar Drill Bit Patent Infringement Cases in U.S. District Courts
Explore comparable oilfield drill bit and cutting element patent disputes litigated in the Southern District of Texas and other U.S. federal courts.
What this case signals for the oilfield drill bit IP landscape
A joint, cost-neutral, without-prejudice exit after 139 days carries commercial signals that go beyond the docket.
Three drill bit patents remain enforceable and unresolved on the merits
US8721752B2, US8910730B2, and US7568534B2 were never adjudicated for validity or infringement. Any company operating in the oilfield drill bit sector — including suppliers, licensees, and competitors — should treat these patents as actively enforceable until an IPR, reexamination, or future litigation resolves them.
Symmetric cost allocation suggests a negotiated commercial resolution
When both sides agree to bear their own costs in a patent case, it typically signals a mutually acceptable outcome — often a licence or a commercial arrangement — rather than a clean walk-away. Monitoring future licensing announcements or NOV/Baker Hughes product disclosures may reveal whether a deal was reached.
Grant v Baker — key questions answered
The case was dismissed without prejudice. The joint stipulation under Rule 41(a)(1)(A)(ii) expressly states the dismissal is ‘without prejudice to refiling in the future,’ meaning Grant Prideco and its NOV affiliates retain the right to reassert the three drill bit patents — US8721752B2, US8910730B2, and US7568534B2 — in a future action.
Grant Prideco and co-plaintiffs ReedHycalog and NOV entities asserted three patents: US8721752B2, US8910730B2, and US7568534B2. All three cover aspects of drill bit technology used in oilfield rotary drilling applications. The accused products were identified as Licensed Baker Hughes Drill Bits.
The stipulation provides that each party bears its own attorney fees, costs, and other expenses. There was no fee-shifting order or cost award to either side. This symmetric arrangement typically suggests a mutually acceptable exit — possibly involving an undisclosed commercial arrangement — rather than one party conceding defeat.
Yes. Because the dismissal is without prejudice under Rule 41(a)(1)(A)(ii), Grant Prideco and its co-plaintiffs may refile infringement claims based on US8721752B2, US8910730B2, and US7568534B2 against Baker Hughes at any time, subject to applicable statutes of limitations. No invalidity or non-infringement finding was made that would bar future claims.
Grant Prideco and its co-plaintiffs were represented by Susman Godfrey, with attorneys Abigail Claire Noebels, Armando Lozano III, and Harry Paul Susman. Baker Hughes and its affiliated entities were represented by Reed Smith LLP, with attorneys Dandee Cabanay, Nicole S. Soussan, and Peter John Chassman.
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