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Rankings

Company or institution

BALLARD POWER SYSTEMS INC.

52 applicationsfiled 2006 to 2025

Allowance rate
64%
−11 pts vs the USPTO range 50% to 76%
Rejections before allowance
1.6
level with the USPTO
Months to first action
20.6 mo
+2.0 vs the USPTO
Needed an RCE
20%
−7 pts vs the USPTO

Timeline

Applications by filing year: drag across the years to study a period

Allowed in green, abandoned in red, pending in grey. The figures above and the charts that can be recomputed by filing year follow the span you pick.

Compared with the office

Against every applicant before the USPTO

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Trend

Allowance by filing year

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Rejection fingerprint

What gets rejected, by statute

Share of parsed office actions raising each ground; blue is the USPTO.

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What works

Allowance by strategy used

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Interviews

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Applications

Every application in the record

ApplicationTitleFiledStatusRejectionsRCEsTo 1st action
19111964COMPRESSION DEVICE FOR FUEL CELL STACKS2025-03-14Pending00n/a
19109072BIPOLAR FLOW FIELD PLATE FOR FUEL CELLS2025-03-05Pending00n/a
18297750A REINFORCED SEALED FUEL CELL ASSEMBLY2023-04-10Abandoned1031.8 mo
15361809Method and apparatus for adaptive signal processing2012-01-10Allowed1012.0 mo
15598632Composition and method for controlled release2015-02-11Abandoned4123.0 mo
15850725Distributed ledger transaction verification2018-03-12Allowed3020.0 mo
15985600Thermal management of battery assemblies2021-04-13Pending2117.0 mo
15374680Machine learning model for anomaly detection2012-05-14Allowed1014.0 mo
15950040Wireless power transfer coil arrangement2015-06-15Abandoned4125.0 mo
15422381Catalyst for selective hydrogenation2018-07-16Allowed3022.0 mo
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